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Moral Origins: The Evolution of Virtue, Altruism, and Shame by Christopher Boehm
An evolutionary anthropologist looks back through human evolution for clues to how groups of hunter-gatherers developed altruism and generous behaviors. Basic Books, 2012, 418 p., $28.99
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- Particle Physics
Nature’s secrets foretold
After decades of searching, it seems scientists have found the elusive Higgs boson.
- Particle Physics
A primer on the long-sought Higgs boson
Discovering the Higgs boson is cause for celebration — and for explanation, of what the particle is and why it matters.
- Health & Medicine
Catching a Cancer
The official figure for the percentage of human cancers caused by viruses is around 20 percent — but most experts concede that number is largely an educated guess
- Cosmology
Inflation on Trial
Generally regarded as one of the most successful theories about the early universe, inflationary cosmology is not exactly under attack. But a few scientists are questioning whether it deserves its reputation as completely untouchable.
- Life
Skinny searchers keep fat ants full
By controlling movement out of an ant nest, researchers discover that ants weigh tubbiness in deciding who hunts for food.
- Humans
Early Americans took two tool tracks
Creators of separate spearhead styles colonized North America more than 13,000 years ago.
- Health & Medicine
Proliferation protein goes rogue in lung cancer
Rac1b might promote malignancy, could be a target for treatment.
- Health & Medicine
Memories clutter brain in amnesia
Complex patterns slow down object recognition in patients with disorder.
- Earth
Warming indicted for extreme weather
Climate change can explain some 2011 departures from the norm.
