News
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LifeRare genetic tweaks may not be behind common diseases
Variants thought to be behind inherited conditions prove difficult to pin down.
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HumansAn ancient civilization’s wet ascent, dry demise
Cave data suggest that ancient rainfall patterns swayed the course of Classic Maya societies.
By Bruce Bower -
LifeSeaweed-threatened corals send chemical SOS to fish
The cry for help summons allies to graze away the algal overgrowth.
By Susan Milius -
ChemistryHydrogen fuel edges a step closer
A new chemical setup creates clean-burning gas by mimicking plant photosynthesis.
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EarthSea level rise overflowing estimates
Future sea level rise might exceed estimates due to environmental feedbacks.