How Non-Mammals “Nurse” Their Young
Some birds feed their young with "crop milk," while discus fish feed their fry with a special mucus. It may not seem as cute as nursing, but it works.
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.
What’s Killing European Trees?
Soil fungi supply nutrients to trees, but as they wither from pollution, trees suffer too.
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.
Restoring the Prehistoric Horse
It’s the National Day of the Horse! Do You Know Where the Real Wild Horses Live?
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.
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.
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.
Were Hobbits Real?
New research suggests that a distinct species, dubbed "hobbits", existed between 17,000 and 95,000 years ago.