News
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ArchaeologyShock-absorbing spear points kept early North Americans on the hunt
Ancient Americans invented a way to make spear points last on an unfamiliar continent.
By Bruce Bower -
OceansMore than one ocean motion determines tsunami size
The horizontal movement of the seafloor during an earthquake can boost the size of the resulting tsunami, researchers propose.
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Planetary ScienceFood for microbes found on Enceladus
The underground ocean of Saturn’s moon Enceladus harbors an abundance of molecular hydrogen, which could be an important source of food if microbial life exists there.
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ChemistryNew tech harvests drinking water from (relatively) dry air using only sunlight
A prototype device harvests moisture from dry air and separates it into drinkable water using only sunlight.