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Eating Meat Helped Early Humans Reproduce, Population Spread
If early humans had been vegans we might all still be living in caves, Swedish researchers suggested in an...
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A Quixotic Quest to Mine Asteroids
A new company backed by two Google Inc. billionaires, film director James Cameron and other space exploration proponents is...
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Life On Earth Evolved From ‘Redundant’ Chemical Systems
The earliest cells were unstable chemical systems that survived by combining a handful of shaky carbon-based assemblies together, researchers...
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Evolution Seen in Synthetic DNA
Researchers have succeeded in mimicking the chemistry of life in synthetic versions of DNA and RNA molecules. The work...
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How Big Data Is Changing Astronomy
Think of all the data humans have collected over the long history of astronomy, from the cuneiform tablets of...
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Heavy Elements Key for Planet Formation
Planets form more commonly in star systems with relatively high concentrations of elements heavier than hydrogen and helium, a...
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Fundamental Particle ‘Splits’ into Quasiparticles
In a feat of technical mastery, condensed-matter physicists have managed to detect the elusive third constituent of an electron...
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Cosmic Ray Mystery Leaves Scientists in the Dark
The mystery of the origin of the strongest cosmic rays has deepened as new clues into key suspects, the...
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Melting Glaciers Liberate Ancient Microbes
Locked in frozen vaults on Antarctica and Greenland, a lost world of ancient creatures awaits another chance at life....
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Dark Matter Theory Takes a Big Hit
Widely accepted theories of dark matter, a mysterious invisible substance that can only be detected indirectly by the gravitational...