Commons:Open Access File of the Day/2012

• 
  December 31: Ocular fundus aspect of retinoblastoma
• December 30: spawning Pocillopora meandrina
• 
  December 29: A silvery mole rat.
• 
  December 28: Achelousaurus nasal openings
• 
  December 27: Example of a Scan for quantitative trait loci on a single chromosome
• 
  December 26: A Galápagos tortoise.
• 
  December 25: Fruiting bodies of the slime bacterium Myxococcus xanthus.
• 
  December 24: Electron microscopy of Prochlorococcus
• 
  December 23: Kent distribution of three point sets representing bond angle relations in a protein backbone.
• 
  December 22: The tiger beetle Omus dejeanii.
• 
  December 21: expression of FABP7 in mouse brains
• 
  December 20: Mycosphaerella graminicola chromosomes
• 
  December 19: Diplodocoidea cladogram
• 
  December 18: Drawing of Rhinopithecus strykeri
• 
  December 17: Rostral migratory stream of a mouse
• December 16: Cataglyphis fortis experiencing head-wind on a slippery substrate
• 
  December 15: Clytus arietes
• December 14:Atelopus franciscus male territorial call
• 
  December 13: The mushroom Boletopsis nothofagi.
• 
  December 12: Alec Jeffreys
• 
  December 11: The modern Emu (centre) and extinct King Island Emu (right) with human outline shown approximately to scale.
• December 10: Blenniella gibbifrons jumping
• 
  December 9: Ebolavirus particles
• 
  December 8: Ankylosaurus tail terminology
• 
  December 7: Structural organization of the heart of the mosquito Anopheles gambiae
• December 6: A Magicicada chorus.
• 
  December 5: Adélie Penguins.
• 
  December 4: Anodonthyla (frog) feet
• 
  December 3: The animal with the longest valid scientific name: the soldier fly Parastratiosphecomyia sphecomyioides.
• 
  December 2: Burrunan Dolphin jumping
• 
  December 1: Larvae of Culex mosquitoes.
• 
  November 30: A Magicicada cassini female laying its eggs.
• November 29: A hydrophilic termite (Schedorhinotermes sp.) attached to the surface of a wetted citrus leaf
• 
  November 28: A range of putative disease-causing mechanisms for the case of the disease progeria
• 
  November 27: A large male Bolitotherus cornutus undergoing a grip strength trial.
• November 26: A female Euglossa hyacinthina working on the construction of her nest envelope.
• 
  November 25: Reconstruction of a Nimbadon lavarackorum mother with a juvenile.
• 
  November 24: SEM image of the tardigrade Milnesium tardigradum in its active state.
• 
  November 23: The brown lacewing Micromus variegatus.
• November 22: Carpodacus mexicanus (finch) vocalizations
• November 21: The fish Alticus arnoldorum performing a jump (slow motion).
• 
  November 20: Larsenianthus arunachalensis, a member of the ginger family.
• 
  November 19: An Atlantic Yellow-nosed Albatross.
• 
  November 18: A Xenopus laevis female with egg batch and Xenopus tropicalis male.
• November 17: Acoustic display of the hummingbird Archilochus alexandri.
• November 16: Thyrinteina caterpillar parasitized by Glyptapanteles pupae defends against Supputius cincticeps
• 
  November 15: Anodonthyla theoi, dorsolateral and ventral views
• November 14: A female Illacme plenipes with 662 legs.
• 
  November 13: Aerosteon riocoloradensis
• 
  November 12: maxilla from Fruitadens
• 
  November 11: The Garden centipede Scutigerella immaculata.
• 
  November 10: A female tarantula Acanthoscurria gomesiana.
• 
  November 9: drawing of female of Glomeris marginata
• November 8: Centropyge bicolor feeding on Palaemonetes
• November 7: Archerfish shooting at prey
• 
  November 6: The butterfly Erebia calcaria.
• November 5: gastrulation in cybrid embryos
• 
  November 4: The sea slug Spurilla major.
• 
  November 3: Major metabolic interactions betwen astrocytes and neurons.
• 
  November 2: Venogram showing cerebral venous sinus thrombosis in a patient with Behçet's disease
• 
  November 1: MRI scans of a microcephalic patient (right) and a healthy control (left).
• 
  October 31: The Insular cortex (Japanese version).
• 
  October 30: The Neanderthal skull La Chapelle-aux-Saints 1.
• 
  October 29: A Varanus timorensis from Loré, Lautém District, East Timor.
• 
  October 28: Skeletal reconstruction (top) and inferred body outline (bottom) of the Cretaceous lizard Platecarpus.
• 
  October 27: map of European genetic structure based on single-nucleotide polymorphism analysis
• 
  October 26: Comparison of Nautilus capture rates with trapping depth
• 
  October 25: A male Labeotropheus fuelleborni from Lake Malawi.
• 
  October 24: Agdistis linnaei
• 
  October 23: Interneuron-radial glial interactions in the developing cerebral cortex.
• October 22: drip irrigation on loamy soil
• 
  October 21: Lectotype of Elimia cahawbensis.
• 
  October 20: A Lamprolepis smaragdina skink.
• 
  October 19: Nylanderia pubens, the crazy Rasberry ant
• 
  October 18: Basal body of T3SS needle complex. The black line indicates 10 nanometers.
• 
  October 17: 3D reconstruction of the general anatomy of the small marine slug Pseudunela cornuta, based on histological sections.
• 
  October 16: map of where to find Amphicyclotulus in Dominica
• 
  October 15: comparison of furcula of (A) a dinosaur and (B) a goose
• 
  October 14: The wonder gecko Teratoscincus scincus.
• 
  October 13: A Morgan horse with silver rather than black pigments, due to the silver dapple gene.
• October 12: booms by Cercopithecus hamlyni
• 
  October 11: Ipsa childreni, the charismatic cowrie
• October 10: Combat between two forked fungus beetle (Bolitotherus cornutus) males.
• October 9: A timelapse video of how muscles, skin, scales and quills are added to a skull cast of Heterodontosaurus tucki
• 
  October 8: Life restorations of Darwinius masillae
• 
  October 7: Melanargia arge.
• 
  October 6: Mary F. Lyon, discoverer of X-chromosome inactivation.
• 
  October 5: Drawing of the right valve external view of Pisidium moitessierianum
• 
  October 4: growth depictions for Archaeopteryx
• 
  October 3: MRI scan of an osteochondroma.
• 
  October 2: Inside krill one can see (A) pregnancy (B) phytoplankton
• 
  October 1: A Somali wild ass, Equus africanus somaliensis.
• 
  September 30: An Oncomelania hupensis hupensis snail.
• 
  September 29: A Taiwanophodes minor beetle. Scale: 1mm.
• September 28: A Nerodia fasciata snake attacking a parvalbumin-coated lure.
• 
  September 27: Aphanius mesopotamicus
• 
  September 26: Diversity of ancestral rices
• 
  September 25: Maize cob from the Ocampo Caves in Mexico dated to 3,890 years ago.
• 
  September 24: Adult female and fetal Maiacetus.
• 
  September 22: A fiber-optic array for detection of breast cancer by way of Diffuse Optical Tomography.
• 
  September 21: Bradypodion atromontanum
• 
  September 20: Muscle biopsy from a girl with X-linked myotubular myopathy
• 
  September 19: Miamira magnifica
• 
  September 18: Carabus rumelicus
• 
  September 17: Gorilla tool use
• 
  September 16: New Jersey amber containing specimens of Plumalexius rasnitsyni
• 
  September 15: Buforaniidae grasshoppers from the Australian National Insect Collection.
• 
  September 14: Tiger phylogenetic relationships.
• September 13: Vocalizations of the newly described monkey species Cercopithecus lomamiensis, known to science since yesterday.
• 
  September 12: The rotifer Brachionus calyciflorus
• 
  September 11: A Volucella bombylans hoverfly.
• 
  September 10: Haliclystus antarcticus in the field
• 
  September 9: A Conepatus semistriatus skunk.
• 
  September 8: Map of the Cahaba River and some of its tributaries.
• 
  September 7: Cross-section through the tail of Carnotaurus sastrei
• 
  September 6: Common anatomical types of esophageal atresia
• 
  September 5: Metarhizium anisopliae fungus, capable of killing more than 200 insect species including the pictured cockroach
• 
  September 4: The diversity and containment of coral reef systems make them good sites for testing niche and neutral theories in theoretical ecology
• 
  September 3: Genome data from the opossum Monodelphis domestica aids understanding of the evolution of the mammalian immune system.
• 
  September 2: Schematic illustration of differences in neuronal specification and migration patterns between the mammalian and avian pallium
• 
  September 1: Thuridilla carlsoni. Locality: Lizard Island, Great Barrier Reef. The length of the slug is about 2 cm.
• 
  August 31: The snake Lycodryas cococola from Comoros.
• 
  August 30: X-ray of the pelvis of a patient with osteopetrosis.
• 
  August 29: Larsenianthus careyanus.
• 
  August 28: Euhadra quaesita from Sendai
• 
  August 27: Gene silcencing in Genetically modified plants (here: Petunia).
• 
  August 26: Pit eye in Patella.
• 
  August 25: Spinophorosaurus nigerensis holotype skeleton in situ during excavation in the region of Aderbissinat, Niger
• 
  August 24: The type specimen of Brunfelsia plowmaniana.
• 
  August 23: ECG from a patient with confirmed Takotsubo cardiomyopathy
• 
  August 22:Daphnia magna, the water flea
• 
  August 21: Chalk composed of kaolinite with traces of quartz ingested (suckled) by a patient with pica. Scale in centimeters.
• 
  August 20: Schematic showing how ribozymes bind and cleave mRNA to prevent it from functioning.
• 
  August 19: Plant volatiles released by corn plants may help the caterpillar Mythimna separata avoid predators.
• 
  August 18: A female Trogloraptor marchingtoni spider, whose species, genus and family were named after citizen scientist Neil Marchington.
• 
  August 17: 5 different scintigrams taken from thyroids with different syndromes
• 
  August 16: United States-based population studies biologist, Paul R. Ehrlich
• 
  August 15: Zebras at the Maasai Mara National Park in Kenya.
• 
  August 14: A new species of green lacewing discovered in Malaysia through a citizen scientist, an online image database, and cybertaxonomy
• 
  August 13: Schematic diagram of how to decompose systems into overlapping complexes according to Tononi's Integrated Information Theory.
• 
  August 12: Mountainous landscape at Fenshuiling, Jinping County, Yunnan Province, China.
• 
  August 11: Lectotype of the snail Elimia ampla (MCZ 161735).
• 
  August 10: Scanning electron microscopic image of Ebola virions.
• 
  August 9: Map of the Messel pit.
• 
  August 8: Life restoration of Diamantinasaurus.
• 
  August 7: Ovotestis of Biomphalaria glabrata.
• August 6: Deletion of the short arm of the chromosome 4 in a patient with Wolf-Hirschhorn syndrome.
  August 6: Deletion of the short arm of the chromosome 4 in a patient with Wolf-Hirschhorn syndrome.
• 
  August 5: Illustration of part of a liver lobule.
• 
  August 4: An African Black Oystercatcher, Haematopus moquini.
• 
  August 3: Coronal section containing the chronically imaged pyramidal neuron “dow” does not stain for GABA.
• 
  August 2: The mycobacteriophage Bxb1 uses a novel enzyme to remove itself from its bacterial host's genome before launching an infection.
• 
  August 1: Chloroplast ribosome.
• 
  July 31: Forest elephants in the Mbeli River, Nouabalé-Ndoki National Park, Congo.
• 
  July 30: A mangrove finch, the rarest of Darwin's finches.
• 
  July 29: A phylogeographic image of poison frogs' lineages from South America.
• 
  July 28: Electron micrograph showing exaggerated filopodia with club-like shape induced by formin mDia2 in cultured cells.
• 
  July 27: Over time, selective breeding modifies teosinte's few fruitcases (left) into modern corn's rows of exposed kernels (right).
• 
  July 26: Drusilla canaliculata, a rove beetle.
• 
  July 25: Lateral radiograph of the knee demonstrating ossification in the peritendinous tissues in a patient with osteochondroma.
• 
  July 24: Methylococcus capsulatus cultured in the presence of a high concentration of copper.
• 
  July 23: Schematic Representation of the Key Structural Features of SIV and HIV-1 Entry into T Cells.
• 
  July 22: Bruce Alberts, co-author of Molecular Biology of the Cell (textbook).
• 
  July 21: Biston betularia caterpillars on birch (left) and willow (right).
• 
  July 20: A territorial dispute between two male Astatotilapia burtoni.
• 
  July 19: Cast of the lower jaws of the crocodyliform Laganosuchus thaumastos. Scale bar equals 20 cm.
• 
  July 18: Selenops kalinago.
• 
  July 17: Reconstructed feeding posture of an azhdarchid with sagittally aligned limbs.
• 
  July 16: Ribbon diagram of human carbonyl reductase 1 in complex with NADPH.
• 
  July 15: Forest fruits from Barro Colorado Island.
• 
  July 14: Chocolate-backed kingfisher (Halcyon badia).
• 
  July 13: Biological specimen of substantia nigra in Parkinson's disease.
• 
  July 12: Prehistoric human migration from the Middle East to Neolithic Europe.
• 
  July 11: Harbor Branch Oceanographic Institution's submersible Johnson SeaLink.
• 
  July 10: Phylogenetic tree of life.
• 
  July 9: SEM image of trochophore of Haliotis asinina 9 hours post fertilisation.
• 
  July 8: Sloggett's Rat.
• 
  July 7: Artistic representation of Australovenator wintonensis.
• 
  July 6: Emergency military hospital during Spanish flu epidemic, Camp Funston, Kansas, United States.
• 
  July 5: The inner side of the operculum of Marstonia comalensis. Scale bar: 200 μm.
• 
  July 4: The Black crab Gecarcinus ruricola.
• 
  July 3: RNAi is a naturally occurring process in which small RNA molecules activate a cellular process that results in the destruction of a specific mRNA.
• 
  July 2: Cod in a high arctic lake in Canada. Due to overfishing and other changes Atlantic cod grow to half this size.
• 
  July 1: Heavy spotting on corn kernels reveals the activity of the Mutator system
• 
  June 30: Map showing Japanese archipelago, Sea of Japan and surrounding part of continental East Asia in Middle Pliocene to Late Pliocene.
• 
  June 29: Kidney biopsy (light microscopy) in which the purple stain is on the podocytes.
• 
  June 28: phenotypes of wild-type (top) and PAX6 ortholog mutations (bottom) in human, mouse, zebrafish, and fly.
• 
  June 27: Scanning electron micrographs showing morphological variation of bdelloid rotifers and their jaws.
• 
  June 26: This model of Phineas Gage's skull illustrates the approximate path of the tamping iron that produced his famous injury.
• 
  June 25: An African Black Oystercatcher chick with the numbered colour rings that are used to follow its survival and migratory movements over several years.
• 
  June 24: A female Selenops lindborgi spider with its egg sac.
• 
  June 23: Cross-Linked DNA Extracted from 4,000-Year-Old Liver of an Ancient Egyptian priest called Nekht-Ankh.
• 
  June 22: A T2-weighted sagittal MRI scan, from a patient with Arnold–Chiari malformation symptomatology, demonstrating tonsillar herniation.
• 
  June 21: Selection for social signalling drives the evolution of chameleon colour change.
• 
  June 20: This figure depicts one view of the history of human evolution based on fossil data.
• 
  June 19: Access2Research founders Heather Joseph, John Wilbanks, Michael W. Carroll and Mike Rossner after meeting at the White House Office of Science and Technology Policy.
• 
  June 18: In an effort to reduce corn stem-borer infestations, corporate and public researchers partner to develop local genetically modified maize varieties suitable for Kenya.
• June 17: A fly falling into water and escaping.
• 
  June 16: Forest of synthetic pyramidal dendrites grown using Cajal's laws of neuronal branching.
• 
  June 15: Biologist Seymour Benzer with a model of Drosophila melanogaster.
• 
  June 14: An assassin bug Triatoma dimidiata, potential vector of Chagas disease.
• 
  June 13: Sampling sites of the Global Ocean Sampling Expedition.
• 
  June 12: A 12 million-year old upper jaw of the Sthenictis campestris, a member of the weasel family.
• 
  June 11: The Dorsal habitus of Oxypoda stanleyi, a rove beetle from Stanley Park. Scale bar: 1 mm.
• 
  June 10: A Cretaceous snake Sanajeh indicus feeding on hatchling sauropod dinosaurs.
• 
  June 9: A frog with chytridiomycosis.
• 
  June 8: Modified Gömöri trichrome stain showing several ragged red fibers in MELAS syndrome.
• June 7: A Hemidactylus platyurus gecko displaying rapid inversion.
• 
  June 6: The butterfly Coenonympha oedippus.
• 
  June 5: Blue Whale calls in the presence of mid-frequency active sonar.
• 
  June 4: The freshwater gastropod Acochlidium fijiiensis.
• 
  June 3: The sea slug Aeolidiella stephanieae.
• 
  June 2: The Subventricular zone of a human brain.
• 
  June 1: Silhouette of Australovenator wintonensis showing the material of the holotype. Scale bar: probably 1m.
• 
  May 31: A female Selenops geraldinae Corronca eating a fly and guarding her egg sac on a bromeliad, Gaspar Grande Island, Trinidad and Tobago.
• 
  May 30: A metastasized Ewing's sarcoma.
• 
  May 29: Lateral X-ray image of a human knee, with fragmentation of the tibial tubercle.
• 
  May 27: The leaf miner Cameraria ohridella.
• 
  May 26: The tick Ixodes scapularis, a vector for Lyme disease.
• May 25: A video on a petition for open-access mandates.
• 
  May 24: The fairyfly Myanmymar aresconoides in amber from Myanmar.
• 
  May 23: X-ray of a paratype of the smallest known vertebrate, the frog Paedophryne amauensis.
• 
  May 22: White matter connections illustrated with MRI tractography,.
• 
  May 21: A human brain as compared to that of a chimpanzee. Scale bar: 1 cm.
• 
  May 20: The scorpion Mesobuthus longichelus.
• 
  May 19: The freshwater snail Bulinus wrighti, an intermediate host of Schistosoma haematobium.
• 
  May 18: Transmission Electron Microscopy of the Synechococcus Phage S-PM2.
• 
  May 17: Patients waiting in a hospital in Apac. Many children here suffer from malaria.
• 
  May 16: A male Enyalioides rubrigularis lizard.
• 
  May 15: A Black howler monkey (Alouatta caraya).
• 
  May 14: ECG of a patient with Fabry's disease.
• 
  April 13: Life restoration of a Hippodraco dinosaur.
• 
  April 12: The agamid lizard Draco timorensis.
• 
  April 11: A coral reef community.
• 
  April 10: The sea slug Cyerce nigricans feeding on Chlorodesmis fastigiata.
• 
  April 9: Bone scintigraphy of a patient with colorectal cancer before and after chemotherapy.
• 
  April 8: Ice age fauna of what is today's Northern Spain.
• 
  April 7: The shell of the snail Opisthostoma goniostoma from Borneo.
• 
  April 6: The shorebird Calidris canutus.
• 
  April 5: The moth Catocala johnsoniana.
• 
  April 4: Evolutionary biologist Ernst Mayr.
• May 3: The anthelmintic effect of papain on the nematode Heligmosomoides bakeri.
• 
  May 2: The Mlabri people in Thailand are hunter-gatherers whose ancestors practiced agriculture.
• 
  May 1: Capuchin monkeys sharing food.
• 
  April 30: The bird-of-paradise Paradisaea raggiana.
• 
  April 29: Reconstruction of Anatosuchus minor.
• 
  April 28: The chameleon Bradypodion damaranum.
• 
  April 27: CT scan of a craniopharyngioma.
• 
  April 26: Salmonella enterica ssp. enterica ser. Typhimurium.
• 
  April 25: Geographic distribution of emu taxa and historic shoreline reconstructions around Tasmania.
• 
  April 24: The shell Bulgarica denticulata.
• 
  April 23: The remipede Speleonectes tanumekes.
• 
  April 22: Melitaea cinxia.
• 
  April 21: Flabellina affinis feeding on Eudendrium racemosum.
• 
  April 20: The wasp Leptofoenus pittfieldae in Dominican amber.
• 
  April 19: Mating in the sea slug Elysia timida.
• 
  April 18: Computed tomography of a patient with Cherubism, showing bone malformation in both the mandible and the maxilla.
• 
  April 17: Life restoration of Aegisuchus witmeri.
• 
  April 16: The butterfly Coenonympha hero.
• 
  April 15: Map of localities from which Paedophryne frogs have been reported.
• 
  April 14: Congenital hereditary endothelial dystrophy.
• 
  April 13: Gene expression in Drosophila melanogaster. Scale bar: 100 μm.
• 
  April 12: Sociobiologist and entomologist Edward O. Wilson.
• 
  April 11: Forest on the island of Nosy Hara in Northern Madagascar.
• 
  April 10: Dilophosaurus wetherilli in a bird-like resting pose.
• 
  April 9: HE staining of chicken optic tectum with the layered subventricular zone. Scale bar 200 μm. .
• 
  April 8: The frog Paedophryne dekot, one of the smallest species of vertebrates.
• 
  April 7: Rhinophores in the slug Aplysia californica.
• 
  April 6: A Cape sugarbird (Promerops cafer).
• 
  April 5: Tissue necrosis following a bite from Bothrops asper.
• 
  April 4: Autoradiography of a saggital slice from an embryonal rat brain. Scale bar: 2mm.
• 
  April 3: A male Enyalioides rubrigularis lizard. .
• 
  April 2: The diatom Phaeodactylum tricornutum.
• 
  March 31: Head of the tentacled snake Erpeton tentaculatus under the scanning electron microscope.
• 
  March 30: Section through the olfactory bulb of a 16 days old rat brain.
• 
  March 29: A scanning electron micrograph of a single coccolithophore cell of Emiliania huxleyi.
• 
  March 28: Spodoptera exigua larva feeding on Nicotiana attenuata.
• 
  March 27: The single-celled ciliate Tetrahymena thermophila, whose genome was published in 2006. .
• 
  March 26: The butterfly Boloria improba in its natural environment.
• 
  March 25: X-ray of a girl's wrist, with enchondromas in the radius.
• 
  March 24: Aerial view of the Gobero archaeological site in Niger.
• 
  March 23: The pauropod Pauropus huxleyi.
• 
  March 22: A T. rex trotting along beside a T. rex-sized chicken. Not just biomechanically impossible.
• 
  March 21: The water flea Daphnia pulex.
• 
  March 20: Artistic representation of a diatom of the genus Navicula.
• 
  March 19: A clouded cornea in a patient with Fabry disease.
• 
  March 18: Range Expansion of Cro-Magnon into Europe from the Near East until about 32,500 years before present.
• 
  March 17: Forest on Barro Colorado Island in Lake Gatún, the heart of the Panama Canal.
• 
  March 16: MRI scans of patients lacking a corpus callosum.
• 
  March 15: E. coli fimbriae.
• 
  March 14: A male Asian house gecko Hemidactylus platyurus from East Timor.
• 
  March 13: A gorilla using a branch of a tree as a walking stick.
• 
  March 12: Map of the periglacial region in Japan at the height of the Last Glacial Maximum about 20,000 years ago.
• 
  March 11: A mouse fibroblast nucleus in which DNA is stained blue. The distinct chromosome territories of chromosome 2 (red) and chromosome 9 (green) are stained with fluorescent in situ hybridization.
• 
  March 10: The Golden Brain: the headquarters of the Russian Academy of Sciences.
• 
  March 9: A mucous cell bordering on the stomach lumen secretes mucus (pink stain).
• 
  March 8: A group of Macaca arctoides monkeys.
• 
  March 7: The viper Cerastes gasperettii with horns.
• 
  March 6: Forest in the Western Ghat, a biodiversity hotspot.
• 
  March 5: Albatrosses associating with a killer whale. Image taken by an albatros-borne camera.
• 
  March 4: MRI scan of a chordoma.
• 
  March 3: Yeast growing in chemostats.
• 
  March 2: Amelogenesis imperfecta.
• 
  March 1: Self-assembly of DNA into nanostructures.
• 
  February 29: Adult male Hapalomys delacouri rat.
• 
  Februrary 28: Fluorescence microscopy of wound healing in Drosophila.
• 
  February 27: A female Brookesia desperata with two freshly laid eggs.
• 
  February 26: Two-photon excitation microscopy of mouse intestine.
• 
  February 25: The fundus of a patient with retinitis pigmentosa.
• 
  February 24: The holotype adult skull of Pachycephalosaurus reinheimeri..
• 
  February 23: A painting of pyramidal neurons in the subiculum and CA1.
• 
  February 22: Coronal section of a human brain with cortical edema.
• 
  February 21: A love dart of the snail Monachoides vicinus.
• 
  February 20: A leaf-cutter ant.
• 
  February 19: Nuclei in the worm C. elegans.
• February 18: The parasitic wasp Neoneurus vesculus ovipositing in workers of the ant Formica cunicularia.
• 
  February 17: The geodesic architecture of viral capsids. .
• 
  February 16: Song-learning pathways in birds..
• 
  February 15: A juvenile Brookesia micra standing on the head of a match.
• 
  February 14: A deep-sea community living nearby a hydrothermal vent. Has annotations.
• 
  February 13: Transgenic mice expressing enhanced green fluorescent protein.
• 
  February 12: Zebra finches.
• 
  February 11: A Golay cell.
• 
  February 10: Identical twins may look different.
• 
  February 9: Northwestern Yunnan, China.
• 
  February 8: Embryo and placenta.
• 
  February 7: The rove beetle Dalotia coriaria.
• 
  February 6: Pepper mild mottle virus in action.
• 
  February 5: The louse Fahrenholzia pinnata.
• 
  February 4: The small dinosaur Araripesuchus wegeneri.
• 
  February 3: Wolbachia inside a fruitfly cell.
• 
  February 2: Gough Island, one of the most remote places on Earth.
• 
  February 1: The blood-feeding sandfly Lutzomyia longipalpis, transmitter of Leishmaniasis
• 
  January 31: Francis Crick in his office.
• 
  January 30: The Eungella torrent frog Taudactylus eungellensis is critically endangered.
• 
  January 29: Gyps bengalensis, the oriental whitebacked vulture, is critically endangered.
• 
  January 28: Camarhynchus heliobates, the rarest of Darwin’s finches, is critically endangered.
• 
  January 27: Biomphalaria glabrata, intermediate host to the parasite Schistosoma mansoni that causes schistosomiasis..
• 
  January 26: Laetoli footprints and experimental approximation.
• 
  January 25: Biomass as seen by children.
• 
  January 24: Archaeological excavations in the Dhofar mountains in Oman.
• 
  January 23: Zebrafish embryos: wildtype on top, albino mutant below.
• 
  January 22: A tumor in the making.
• 
  January 21: How to measure odors?.
• 
  January 20: A sexually mature abalone Haliotis asinina.
• 
  January 19: Sari filtering in Matlab.
• 
  January 18: A PDF copy of en:Research Works Act for display during the SOPA blackout.
• 
  January 17: Toxoplasma gondii.
• 
  January 16: Skeletal reconstruction of Spinophorosaurus nigerensis..
• 
  January 15: A young male chimp.
• 
  January 14: Four different species of Volvocales algae.
• 
  January 13: A neuron grown in silico.
• 
  January 12: Paedophryne amauensis, the smallest known vertebrate.
• 
  January 11: Field work at Mt. Ruapehu in New Zealand.
• 
  January 10: An optical illusion. Stare at the figure for 10s and then switch gaze to the (F).
• 
  9 January: A lab notebook containing the record of research described in a scientific paper.
• 
  8 January: Koi pla - a traditional Thai dish.
• 
  7 January: A farm with traditional and hybrid varieties of Sorghum.
• 
  6 January: An adult female fly, Apocephalus borealis..
• 5 January: The sound of a black smoker.
• 
  4 January: The effect of a mutation in Auxin signaling on the growth of the model plant Arabidopsis thaliana.
• 
  3 January: A paper whose images are heavily used on Wikimedia projects.
• 
  2 January: A human liver fluke.
• 
  1 January: Afloat in kelp forests - the sea otter