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Identical twins have the exact same genes, but their fingerprints are unique.

Bats are the only mammals that can truly fly.

Fireflies aren't flies at all. They're beetles!

Many sauropods grew new teeth as often as once a month, as old ones wore out.

Antarctica is a continent surrounded by ocean. The Arctic is the opposite, an expanse of ocean surrounded by continents.

If melted, the ice sheets covering Antarctica would raise global sea level by almost 70 meters (230 feet).

"Shooting stars" are actually meteors.

Some meteorites are as old as the solar system.

Koalas are not bears. They're marsupials and are more closely related to kangaroos.

Half a million neurons form every minute during the first five months in the womb.

Some meteorites are small pieces of the moon. 

Stay tuned for a new way to
collect OLogy cards!

You can still read and
enjoy them all, just can't
collect them...for now.

Bacteria in the Cafeteria Game What's this? Life at the Limits

Photo Credits: tardigrade, © Eye of Science/Science Source; wood frog, © D.Mammoser/Zoonar/AGE Fotostock; fennec fox, photo by Drew Avery (CC BY 2.0 license); Galápagos marine iguana, photo by Andew Skujins (CC BY-SA 3.0 license); mangrove trees, photo by Brisbane City Council (CC BY 2.0 license); mangrove leaf, courtesy of Peripitus (public domain); giant tube worms, © WHOI; hercules beetle, photo by Didier Descousens (CC BY-SA 4.0 license); bowerbird model, © AMNH/R.Mickens; blue-footed boobies, photo by Hans Stieglitz (CC BY-SA 3.0 license); titan arum, photo by the U.S. Botanic Garden (public domain); coral spawning, © Rob & Valerie Tay/Mary Evans Picture Library/AGE Fotostock; kiwi, photo by Glen Fergus, (CC BY-SA 2.5 license); kiwi art, © AMNH; axolotl, photo by Orizatriz (CC BY 2.0 license); elephant seal, courtesy of  U.S. Antarctic Program; Ruppell’s vulture, Rob Schoenmaker (CC BY-SA 2.5 license); Arctic ground squirrel, courtesy of  National Park Service; painted turtle, photo by André Karwath (CC BY-SA 2.5 license); bumblebee, courtesy of R.Hansen/USFWS; treehopper, photo by Andreas Kay (CC BY-NC-SA 2.0 license); mimic octopus, photo by Bernd (CC BY-SA 2.0 license);  giant dragon lizard, photo by Wilfried Berns (CC BY-SA 2.5 license); hoopoe, photo by Nitulakshmi (CC BY-SA 3.0 license); golden barrel cactus, photo by Calvin Teo (CC BY-SA 3.0 license); black-tailed prairie dog, photo by Asiir (CC BY-SA 2.5 license); sawfish, photo by Holiday Point (CC BY-NC-SA 2.0 license); sea scallops, courtesy of D.Blackwood/USGS; owl, photo by Mdf (CC BY-SA 3.0 license); orchid bee, photo by Eframgoldberg (CC BY-SA 3.0 license); olm, photo by J.McGuire/AmphibiaWeb/CalPhoos; swiftlet, photo by Lip Kee (CC BY-SA 2.0 license); Rafflesia, photo by Rendra Regen Rais (CC BY-SA 3.0 license); black swallower, © AMNH/R.Mickens; blue whale, courtesy of L.Herman/NOAA; giant anteater, photo by Dori (CC BY-SA 3.0 license); mantis shrimp, photo by Silke Baron (CC BY 2.0 license); harpy eagle, photo by Jonathan Wilkins (CC BY-SA 3.0 license).

Layers of Time

Photos: Skeleton (Mongolia) and Lab Table: courtesy David Clark; Ghost Ranch lab and dig site: courtesy Duncan Clark



Life at the Limits

Discover incredible adaptations that allow life to thrive even in the most unlikely places on Earth.

April 4, 2015 - January 3, 2016

Wolf Spider

Spiders Alive!

Discover some of the planet's most versatile animals in an exhibit that features live spiders, larger-than-life models, fossils, and more.

July 4, 2015 - November 29, 2015

Dark Universe Red Shift Interior

Space Show: Dark Universe

The Hayden Planetarium Space Show Dark Universe is currently closed and will reopen November 24 with an improved theater experience. 

New MicrobiOLogy!

Microbes are tiny living things that live all around us — even on us and in us! Find out more about them with these new games, videos, activities, and stories!

OLogy news hurricanes storms from the sea

Hurricanes: Storms from the Sea

What causes these powerful, rotating storms? And how do scientists track and predict them?


Carly's Adventures in Wasp Land

In this comic book series, follow Carly as she transforms from insect-hater to entomologist, shrink down to wasp-size, make new winged friends, and more!



Early Childhood and Family Learning at the American Museum of Natural History provides exciting science learning opportunities for young children and families through OLogy, the Discovery Room, the Science and Nature Program, and Public Programs.
Support for Early Childhood and Family Learning has been provided by the Filomen M. D'Agostino Foundation, Mona and Ravi Sinha.
Additional funding has been provided by Joyce and Bob Giuffra, John and Amy Griffin, and Valerie and Wright Ohrstrom.

The initial development of OLogy was made possible by a generous grant from the Louis Calder Foundation.

American Museum of Natural History

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New York, NY 10024-5192
Phone: 212-769-5100

Open daily from 10 am-5:45 pm
except on Thanksgiving and Christmas
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