Species without boundaries—a new way to map our origins
More than 145 years ago, Charles Darwin argued that Africa was the continent from which humans evolved in prehistory. We now know he was right.
View ArticleNew test by deepest galaxy map finds Einstein's theory stands true
By using Fiber Multi-Object Spectrograph on the Subaru Telescope, an international team led by Japanese researchers has made a 3D map of 3000 galaxies 13 billion light years from Earth (Figure 1)....
View ArticleWhy people help distant kin: Math simulations support theory of 'socially...
It's easy to understand why natural selection favors people who help close kin at their own expense: It can increase the odds the family's genes are passed to future generations. But why assist distant...
View ArticleSmiling baby monkeys and the roots of laughter
When human and chimp infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions—called spontaneous smiles—are considered the evolutionary origin of real...
View ArticleKilling off rivals makes for happy families, bacteria study finds
A grisly method by which bacteria dispatch their distant relatives also creates conditions in which the attackers can thrive, research has found.
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