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It's common for us to address our computers using hand gestures, although many convey frustration and may involve a single finger. In the future, however, sign language could become an effective way of surfing the Web, managing files or manipulating virtual objects on screen. [More]

Tech is becoming a hits-driven business. This isn't a good thing. illustration by stephan walter No one waited in line to buy the first iPod.

Claiming your product will revolutionize the industry? Dissing your competitors? Comparing yourself to Steve Jobs

China will widen its gap with the United States as the world's largest coal-producing country by the end of the decade, riding continued strong demand from its electric power and steel-making sectors, according to a new analysis from New York-based GBI Research. [More]

Ever notice that we ve got a thing for round numbers? We like our data neat and tidy. The world of ocean pollution and litter prevention is filled with nice round numbers

Aurochs were the ancestors of domestic cattle.

Most organisms that live on or near the surface of the Earth or its oceans have evolved a circadian clock – a daily timer of all biochemical, physiological and behavioral functions.

Older adults often take longer to make a decision than young adults do. But that does not mean they are any less sharp. According to research at Ohio State University, the slower response time of older adults has more to do with prizing accuracy over speed

Vying to become the 'greenest' zoo in the world, the Denver Zoo has installed a new energy system run entirely on animal dung and garbage. The system uses a process called gasification to turn waste into energy

Advances in the 1950s and 1960s, including unprecedented cooperation between Soviet and U.S. scientists , allowed polio to be eradicated throughout the Americas by 1994 and all of Europe in 1998. Eliminating the crippling scourge has been more difficult , however, in some parts of Africa and Asia.

You may have used Google AdWords, but a whole new set of rules apply on the giant social network.

There’s more to your DNA than your DNA. We are now becoming aware of the epigenome. While DNA controls you, your epigenome may help control your DNA, or rather, it can have an extensive impact on how your DNA is expressed.

The changing hues of a peacock’s splendid tail feathers have always captivated curious minds. Seventeenth-century English scientist Robert Hooke called them “fantastical,” in part because wetting the feathers caused the colors to disappear

Some of the most brilliant colors found on butterflies, birds and squid are produced by nanostructures on wings, feathers and skin that reflect light. The effects can become even more varied when these “structural” colors are combined with filters made from light-absorbing pigments. For example, the characteristic green plumage of parrots seems to be produced by yellow pigment over a blue reflective nanosurface

When you don't clean your plate, microbes feast.