Why Do Some People Have Curly Hair and Others Straight?

Either environmental or sexual selective pressure began acting on hair after humans began dispersing out of Africa.
Dead European Beech

What’s Killing European Trees?

Soil fungi supply nutrients to trees, but as they wither from pollution, trees suffer too.
blob sea monster

The Myth of the St. Augustine Monster

The idea of the gigantic octopus has tantalized marine scientists for years, although its existence had never been conclusively proven.
Take

Restoring the Prehistoric Horse

It’s the National Day of the Horse! Do You Know Where the Real Wild Horses Live?
Death Cap Mushroom

California’s Plague of Poisonous Mushrooms

In the last couple of months, fourteen Californians have learned the hard way when they accidentally ate highly poisonous “Death Cap” mushrooms.
Rio de Janerio

A History of Brazil

The largest country in South America is home to a wide variety of cultures, fascinating history, and some of the most pristine wilderness found anywhere in the world.

The “Keystone Species” Concept That Transformed Ecology

Dr. Robert Paine's "keystone species" concept was a profound discovery that changed the field of ecology forever.
Wildlife cams

Why We Can’t Turn Away from Wildlife Cams

Wildlife cams have steadily gained popularity among both scientists and casual observers. But viewers aren't always prepared for wildlife unscripted.
Hobbits from The Lord of the Rings. Photo credit: Neal Peters Collection

Were Hobbits Real?

New research suggests that a distinct species, dubbed "hobbits", existed between 17,000 and 95,000 years ago.

We’re Down to Half the Fish in the Sea

Since the 1970s, half of the world's fish population has disappeared. We trace the history of this ecological disaster.