News
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PsychologyRatio for a good life exposed as ‘nonsense’
A heralded calculation of people’s ability to flourish is a mathematical mirage, researchers say.
By Bruce Bower -
HumansDNA reveals details of the peopling of the Americas
Migrants came in three distinct waves that interbred once in the New World.
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EarthEmissions could fuel global warming for millennia
Climate simulation projects effects of greenhouse gases farther into the future than ever before.
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TechHybrid race car of transistors debuts
A new transistor combines the essential features of high speed and low energy consumption.
By Andrew Grant -
Health & MedicineVaccine protects against malaria in early test
A series of shots enables volunteers to fend off a live infection by the disease-causing parasite.