Science - LiveScience.com

I recently heard that Chuck Norris can divide by zero, and that his house has no doors-only walls he walks through. If the hype is to be believed, Chuck Norris can do anything.

The natural supplement combo of glucosamine and chondroitin, taken to relieve arthritis pain, has struck out again, proving to be no more effective than a placebo.

For chocolate lovers out there, your options just tripled.

The Arctic has become more stormy in the past 50 years due to the warming climate, which in turn has quickened the pace of drifting sea ice, a new NASA study finds.

Most of Alaska's glaciers are retreating or thinning or both, a new book by the U.S. Geological Survey reports.

If a Toyota Prius just looks too friendly for your tastes, you're not alone. People readily see faces and traits in cars, and a new study suggests that they prefer cars to appear dominant, masculine and angry.

As utility costs mount ever higher, Americans now have real options to take home energy matters into their own hands with "green" systems that can pay for themselves in as little as a few years.

The tendency of some white people to go silent or act "colorblind" on the topic of race could do more harm than good, new research shows.

The oldest-known tracks of a creature apparently using legs have been discovered in rock dated to 570 million years ago in what was once a shallow sea in Nevada.

This Behind the Scenes article was provided to LiveScience in partnership with the National Science Foundation.

Years ago while observing a troop of Barbary macaques for behavioral research, I was surprised to see a new mother holding on to her obviously stillborn baby. She clutched the corpse to her chest and made soft cooing sounds, obviously in distress. More remarkable, she held on to that dead baby for more than a week as it began to decompose. Eventually, the mother showed up alone, but then it got even sadder. She began to haunt other mothers, those with live babies. She would sit close to them and try to grab those babies and hug them, as if to make up for her loss. ...

Bacteria may be humble single-celled creatures, but they're sophisticated enough to anticipate regular events, such as the arrival of day, thanks to their internal circadian clocks. A new study shows that they can also anticipate and prepare for sporadic events, as long as the events are reliably preceded by a signal.

In the vice presidential debate Thursday, Republican candidate Sarah Palin differed from Democratic pick Joe Biden on the topic of exactly what the vice president's job is or ought to be.

With the financial crisis weighing on everyone's minds, many debate whether our government's economic policies cater to the rich over the poor.

The ocean may soon begin to sound more like New York City to dolphins and whales.

It's not unusual for video game players to speak of a routine that involves ordering pizza, getting a sugar jolt, and then playing "World of Warcraft" for hours. But the person talking in this case is Constance Steinkuehler, an educational researcher who organized an afterschool group for boys to play, for educational purposes, the massively multiplayer online role-playing game.

The outrage expressed by many so-called Main Street folks over the proposed Wall Street bailout is based on more than a sense of injustice.

A catastrophic event 72.5 million years ago left a herd of giant, horned dinosaurs buried to become fossils. Now scientists have identified the extinct creatures as a new species.

The South is the worst place to live if you're seriously ill, according to a new report that graded each U.S. state for residents' access to palliative care, a fairly new specialty that focuses on patients' quality-of-life issues rather than elusive cures for diseases.

Cooperation is so pervasively human that expressions of it can be seen in all groups of people, regardless of culture or age. From children to corporations to entire nations, some play nicer than others. But cooperative and non-cooperative behavior is not uniquely human. The survival of many other organisms, including bacteria, depends at times on individual members cooperating.

NBC's "Heroes" remains a marketer's delight after its third season premiere drew 10 million viewers. But the network worried about one glaring anomaly - almost a third of the show's viewers use DVRs to record the program and possibly fast-forward through commercials.

If history repeats itself, the vice presidential candidates will pull no punches at Thursday night's debate.

The rule of thumb is you go to a hospital to get well. But sometimes it's the hospitals that make people ill and even prove deadly.

Editor's Note: Each Wednesday LiveScience examines the viability of emerging energy technologies - the power of the future. 

The Arctic may be a frigid, ice-covered area today, but it hasn't always been quite so cold.

When the human body kicks into high gear, the brain can run on recycled, alternative energy to make the whole system more efficient, scientists have discovered.

A player's slide to beat the throw at home plate is one of baseball's big thrills, especially during the postseason, which begins today. But of the two sliding styles - head-first and feet-first - which is faster?

If you've never heard of the exciting field of synthetic biology, you're not alone, but you might want to get wise to the field's controversial promise to create life from scratch.