Our free giraffe template printable is the perfect activity for little ones who love animals! Simply print the pages, ...

In Tal Danino’s “Beautiful Bacteria” (Rizzoli Electa, 184 pages, $50), science and art meet in a revolutionary new way. Mr. Danino has “programmed” bacteria to grow artistically—teaching some to glow ...

In a rainforest of Ecuador, a neon-colored creature with “long” limbs perched near a stream and called out for a mate. Its ...