News
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SpaceCosmic reincarnation idea may be dead
Cosmological patterns that were recently put forth as evidence for a pre–Big Bang universe are easily explained by current theory, critics say.
By Ron Cowen -
EarthBugged forests bad for climate
Trees savaged by pine beetles are slow to recover their ecological function as greenhouse gas sponges.
By Janet Raloff -
ChemistryHornet pigment drives solar cell in lab
Though far from photosynthetic, an insect's light-harvesting apparatus intrigues scientists.
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ChemistryTwisted rules of chemistry explained
A theorist uses quantum mechanics to explain why Möbius molecules have different numbers of electrons than standard rings.