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Broadband Room Service by Light

Encoded light transmissions can provide the wireless devices in a room with multimedia Web services such as videoconferencing, movies on demand and more

By Mohsen Kavehrad

The Memory Code

Researchers are closing in on the rules that the brain uses to lay down memories. Discovery of this memory code could lead to the design of smarter computers and robots and even to new ways to peer into the human mind...

By Joe Z. Tsien

A Malignant Flame

Understanding chronic inflammation, which contributes to heart disease, Alzheimer's and a variety of other ailments, may be a key to unlocking the mysteries of cancer

By Gary Stix

An Earth Without People

A new way to examine humanity's impact on the environment is to consider how the world would fare if all the people disappeared

By Steve Mirsky

The Evolution of Cats

Genomic paw prints in the DNA of the world's wild cats have clarified the cat family tree and uncovered several remarkable migrations in their past

By Stephen J. O'Brien and Warren E. Johnson

Should Science Speak to Faith?

Two prominent defenders of science exchange their views on how scientists ought to approach religion and its followers

By Lawrence M. Krauss and Richard Dawkins


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