Want environmentally-friendly beef? United States would have to cut production in half, Science

What would happen if all Americans went vegan?, Science

18th century maps reveal massive loss of coral reefs in the Florida Keys, Science

Geckos evolve rapidly in Brazil after new dam constructed, Science 

Meet the only animal known to pump blood with its guts, Science

Spiders lure bees for dinner by making flowers look flashier, New Scientist

Ravens Remember People Who Suckered Them into an Unfair DealScience 

The Importance of Small Change: On Beaks and Biodiversity on Island California, Boom: A Journal of California

Evolution Works in Fast, Localized, Mysterious Ways, Slate's Wild Things blog

Galápagos Sea Lion Sons Are Mama's Boys, National Geographic News

Bird Embryos Can Discern Between Calls—a First in Nature, National Geographic News

Captivating Pictures of Africa’s Disappearing Lions, National Geographic News

Big Cats at a Tipping Point in the Wild, Jouberts Warn, National Geographic's Cat Watch blog

The Perils of Aging: A Problem for Citizen Science?, National Geographic News

Wooden Ship Unearthed at World Trade Center Site From Revolutionary-Era Philadelphia, National Geographic News

Pictures: The World's Tigers—There Are Only 3,200 Left in the Wild, National Geographic News

Are Crows Smarter Than Children?, National Geographic's Weird & Wild blog

Bats Set Their Internal Compass at Dusk—A First Among MammalsNational Geographic's Weird & Wild blog

Genetic Engineering to the Rescue Against Invasive Species?, National Geographic News

Dead and Lost Boobies: Harbingers of a Growing El Niño?, National Geographic's Ocean Views blog

Q&A: Inside the Fight Against Wildlife Trafficking in Brazil, National Geographic's Weird & Wild blog

To Stay Alive, Ants Dump Their Dead, National Geographic News

Albatross Internet Darling Takes First Flight, National Geographic News

Summer Solstice Pictures: From Stonehenge to Carhenge, National Geographic News

Fish-Eating Spiders Can Catch Prey 5 Times Their SizeNational Geographic News

Threatened Species 'Red List' Warns 90% of Lemur Species Face ExtinctionNational Geographic News

Sea Otter Moms Risk Lives to Raise Babies, National Geographic's Weird & Wild blog