HEALTH
Why the military is backing the cool new field of regenerative medicine.
SCIENCE
Scientists finally get a chance to examine the immense, mysterious creature hauled ashore a year ago.
ENVIRONMENT
A water crisis is impending. In a new book, Jeffrey Sachs outlines easy, low-cost ways to avoid disaster.
PSYCHOLOGY
Why do powerful men risk everything for sex? It has to do with brain chemistry, evolution and, yes, testosterone.
SCIENCE
A court order says animal-rights activists have gone too far.
NATION
What will be lost with the shoot-down of a U.S. spy satellite.
PSYCHOLOGY
The push for ever-greater well-being is facing a backlash, fueled by research on the value of sadness.
POLITICS
Science shows that when we are deciding which candidate to support, anxiety, enthusiasm and whom we identify with count more than reason or logic.
NEUROLOGY
Scientists are using state of the art technology to look at what happens in the brain when a person scratches an itch. There's more going on than you might think.
OUTER SPACE
Virgin Galactic revealed the designs for its tourist spacecraft. A NASA expert critiques the effort.
PSYCHOLOGY
A British researcher reports that the male ego is often larger than his actual IQ. But you might be surprised by what women think of men's intellect.
PREGNANCY
A new study links increased miscarriage risk to caffeine consumption, but other experts say a cup or two a day is fine. What's a coffee-loving mom to do?
SCIENCE
What is most surprising is not that we once lived in the sea, but that we are still evolving.
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