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Physical sciences/Physics/Energy/Hydrogen energy

Hydrogen: The slow slog to zero emission energy
Using the ocean to run a heat engine
Buried under the ice, ancient microbial life
<i>Science</i>: Hunting Cats' Energy Balance Could Be Disrupted by Humans
Human activity may cause cheetahs and pumas to expend more energy than usual in finding and stalking prey.
Geraldine Richmond Chosen to Serve as AAAS President-Elect
Richmond is known for her study of complex surface chemistry, her service on national science boards and her work on the advancement of women in science.
Laser Power May Put Fusion Power Within Reach in a Few Decades, Expert Says at AAAS
AAAS Analysis Shows Uncertain Future for Federal R&D Spending