Government fraud-busters have stepped up their attacks against phishing and online identity theft. Does it matter?
In their race to stay a step ahead of the wily AIDS virus, researchers announce major advances toward two new classes of HIV drugs.
Biologists attempt to illuminate the true potential of stem cells derived from adults rather than embryos.
British regulators say it's now OK to buy potent cholesterol-busting drugs without a prescription, but medical experts wonder if such easy access is a good idea.
As data gets cheaper to collect, smart innovators will manufacture their own serendipity.
A powered elbow brace developed at MIT allows patients with spinal-cord injuries to bend and extend their arms under their own control.
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A new generation of micromachines could transform everything from eye surgery to cell-phone reception.
Blood tests that detect cancer in its early stages would save countless lives. The first could arrive within a year.