12902464 - 4 Paire for a Shilling Holland Socks', Cries of London12491626 - Watson and Crick with their DNA model14077649 - Dividing HeLa cells, SEM13674368 - Smooth-billed ani birds13599845 - Mercury and Jupiter in conjunction13525417 - Schistosoma larva, LM13765545 - Pale chanting goshawks being mobbed by a greater kestrel13742609 - Mating green tiger beetles13674357 - Mealy Amazon parrots13525264 - Greater flamingoes fighting13524436 - Pair of Plains zebras in Masai Mara National Reserve, Kenya13523819 - Nurse talking to hospital patient14077661 - Dividing HeLa cells, SEM13686671 - Higgs boson research, ATLAS detector13601224 - Red ants mating13754844 - Meiosis, light micrograph13742512 - Monkey beetle feeding13633808 - Red soldier beetles copulating13524422 - Pair of impala in Lake Nakuru National Park, Kenya13954455 - Dividing cancer cell, TEM13733247 - Iguanas, X-ray13673977 - OxyContin tablets14077660 - Dividing HeLa cells, SEM13686674 - Higgs boson research, ATLAS detector13754873 - Meiosis, light micrograph13754854 - Meiosis, light micrograph14077652 - Dividing HeLa cells, SEM13954539 - Tupandactylus navigans pterosaurs, illustration13754841 - Meiosis, light micrograph13754831 - Meiosis, light micrograph13633771 - Blue bat starfishes13525401 - Schistosoma larva, LM12450481 - Lily of the valley stomata, light micrograph11723430 - Euglena flagellate protozoan,SEM13736581 - Chiloe wigeons13599795 - Full Moon at apogee and perigee13674344 - Blue-and-yellow macaw12947840 - Child's head and brain, MRI scan14077653 - Cervical cancer cell, SEM14077650 - Cervical cancer cell, SEM14077626 - Dividing HeLa cells, SEM13672694 - Perched pair of pied kingfishers13525418 - Schistosoma femaile, LM13525262 - Greater flamingoes fighting13951446 - European shoveler13736612 - Mating pair of lesser bloody-nosed beetles13634022 - Dromeosaur dinosaurs courting, illustration13954488 - Dividing cancer cell, TEM13754867 - Meiosis, light micrograph13733246 - Iguanas13525263 - Greater flamingoes fighting12961096 - Breast cancer cells,SEM13736444 - Pair of yellow-billed oxpeckers at their nest13686673 - Higgs boson research, ATLAS detector13672842 - Bonnet macaques14077627 - Dividing HeLa cells, SEM13524340 - Pair of swallow-tailed gulls14077617 - Dividing HeLa cells, SEM13954469 - Dividing cancer cell, TEM13671809 - Double quasars, illustration13500313 - Manicure13475664 - Selection of white pills and capsules arranged in pairs13471288 - 7-week-old pug puppies13452125 - Parkinson's disease electrode implants, MRI scan13404353 - Mating pair of silver-studded blue butterflies13386968 - Hard ticks before and after feeding13358432 - Evening Bat (Nycticeius humeralis)13356054 - Breast cancer, TEM13244399 - Ravens, illustration13244273 - Lab grown meat, illustration13243614 - SpaceX Falcon 9 rocket, illustration13226841 - Mortar and pestle, X-ray13226390 - Football boots, X-ray13226210 - Lupin (Lupinus sp.) leaves, X-ray12987186 - Male and female Brontosaurus dinosaurs, illustration12960840 - Orange-chinned parakeets14077656 - Dividing HeLa cells, SEM13951447 - European shoveler13685876 - Mating garden chafers on a Rowan sp. Leaf13524711 - Couple in bed13524339 - Pair of swallow-tailed gulls13524147 - A pair of cannons in Havana, Cuba.13454211 - Pharmacy technician handing a prescription drug to a patient13244240 - Woman standing too close to man, illustration13226896 - Pair of boxing gloves, X-ray13226803 - Cogs, X-ray13226614 - Pair of scissors, X-ray13226384 - Human feet, X-ray13226129 - Two freesias, X-ray13226081 - Film of two hands, X-ray13225847 - Skeleton holding champagne and two glasses, X-ray12987316 - Helicoprion prehistoric shark, illustration12967605 - Mosquito nymphs13839169 - Asian and European hornets, illustration13497298 - Dragonfly perched on a green stem13476125 - Male and female Puggle dogs13405769 - Cimoliopterus pterosaurs in flight, illustration13244369 - Drawing speech bubble around woman in chair, illustration13226892 - Ship with two flags, X-raypage suivante