The octopus sucker can feel, taste, grip, manipulate—and act of its own accord
Physicists have long sought to find one final theory that would unify all of physics. Instead they may have to settle for several
New analyses suggest that recent human evolution has followed a different course than biologists would have expected
The Human Genome Project has failed so far to produce the medical miracles that scientists promised. Biologists are now divided over what, if anything, went wrong—and what needs to happen next...
Our Web survey of readers suggests that the scientifically literate public still trusts its experts—with some important caveats
NASA is building an innovative and risky space telescope that promises to surpass the hugely successful Hubble. Here's an exclusive, behind-the-scenes look at the most audacious space project in decades...
Autonomous machines will soon play a big role in our lives. It's time they learned how to behave ethically
Digitizer in Chief: A Q&A with the White House Information Czar on Making the Government Transparent
The first step toward transparent government, says White House information czar Vivek Kundra, is to make all its information freely available on the Web
The ultimate fuel may come not from corn or algae but directly from the sun itself
Diagnoses have soared, but valid treatments are few. Parents have turned instead to dubious, and often risky, alternative therapies
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