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CosmologyMap reveals the invisible universe of dark matter
The Dark Energy Survey reports a new tally of the dark universe.
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AnthropologyNitty-gritty of Homo naledi’s diet revealed in its teeth
Ancient humanlike species ate something that damaged its teeth.
By Bruce Bower -
Life‘Darwin’s Backyard’ chronicles naturalist’s homespun experiments
In the new book Darwin’s Backyard, a biologist explores Charles Darwin’s family life, as well as four decades’ worth of his at-home experiments.
By Sid Perkins -
Tech50 years ago, NASA whipped up astronaut waste into rocket fuel
In 1967, scientists found a way to turn human waste into rocket fuel.