Delightful Creatures First time mom at 100: endangered tortoises hatch at Philly zoo Gail Sherman

books Agnes Catlow's Drops of Water is an 1851 book filled with beautiful illustrations of the author's interpretations of microscopic organisms Popkin

education This young zoologist wants to educate you about weird organisms, prehistoric creatures, evolution, and more Jennifer Sandlin

zoology The wild world of solar-powered sea slugs Rusty Blazenhoff

oceans Stunning underwater scenes drawn by hand in an 1860s submersible David Pescovitz

animals Panda cub! The best of the National Zoo's panda cam videos as picked by the curators and panda keeper David Pescovitz

Delightful Creatures Beetle species swallowed by frogs just exits alive via the old dirt road Andrea James

Delightful Creatures Watch thousands of wildebeest cross a river during great migration in Tanzania Xeni Jardin

animals Outdoor pet cats kill more animals than wild cats do in the same size area David Pescovitz

Delightful Creatures Baby colobus monkey is adorable Xeni Jardin

Science Video: 5 California mountain lions hanging out together, home surveillance camera footage Xeni Jardin

Science Tasmanian tiger: thought to be extinct yet sighted two months ago David Pescovitz

zoology Paris zoo opens a new exhibit with an immortal mutant slime mold called "The Blob" Thom Dunn

happy mutants Sara Varon's New Shoes: a kids' buddy story about the jungles of Guyana and redemption Cory Doctorow

animals See the cute and strange underbelly of animals David Pescovitz

Science Monkeys make surprisingly terrible random-number generators Cory Doctorow

Science Watch these busy beetles devour delicious flesh David Pescovitz

Science New species of Crayfish named after Edward Snowden David Pescovitz