Did upright walking start in trees?
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Maybe walking upright on two legs isn't such a defining human feature after all.
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By Associated Press  BILOXI - The tree Curtis Harrison grew up in is still growing up.  The live oak, a 50-plus-year-old giant with rough, brown skin and long sturdy limbs, held him up when he was a boy and now lifts him as a man.
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The first animal to crawl onto land from the ocean probably looked a bit like today's salamander, and researchers have wondered how it was able to switch from swimming to walking. Now, European scientists have built a robot with a primitive electric nervous system that they say mimics that change in motion.
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Oxygen, key to life on Earth today, began to appear on the planet millions of years earlier than scientists had thought, new research indicates.
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Los Angeles Times - IQUITOS, Peru &#8212; A few miles downriver from this city in the western Amazon jungle, Andres Alvarado hops off a boat and walks up a muddy path to a hollowed-out log resting on a wooden stand. He beats the log with a stick, sending a series of low-pitched tones into the rain forest.
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A new archaeological discovery suggests humans migrated to the hemisphere far earlier than previously thought.
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long thought to be a byproduct of walking for early man - was actually an instrumental step in the evolution of people from ape-like creatures into what we know today as humans.
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The giant stag was no Bambi. It stood 7 feet tall at the shoulders and carried a spread of antlers 12 feet wide. It would have been easy to spot in the cool woodlands of Ice Age Europe, but perhaps hard to kill.
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The tradition of decorating evergreens can be traced back to ancient times in Rome and Egypt in celebration of the winter solstice.
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A fossil found in Wyoming has apparently resolved a long-standing question about when bats gained their radar-like ability to navigate and locate airborne insects at night. The answer: after they started flying.
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How did organisms get started in the first place? Share your wisdom on the Wired Wiki.
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Call it the ultimate power walk. Researchers have developed a device that generates electrical power from the swing of a walking person's knee. With each stride the leg accelerates and then decelerates, using energy both for moving and braking.
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NEW YORK -- During the age of dinosaurs, tiny squirrel-like creatures climbed trees and jumped into the darkness. Then they spread their limbs and glided away -- the first known mammals to take to the air, a new report says.
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English elms could be descended from one tree brought here by Romans 2,000 years ago, scientists say.
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Brown bears migrated south through North America much earlier than first thought, new research suggests.
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Trees bring both comfort and measurable benefits to urban environments. The problem is that roots don't flourish under pavement. Now scientists think they have a solution.
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Forget GPS, forget road signs. Researchers in England say foraging Pharaoh's ants employ a simpler means to find their way home: geometry.