News
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ChemistryMicrobes craft unusual crystals
Bacteria dwelling in an abandoned iron mine form unusual crystals that could help scientists look for signs of previous life on Mars.
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It’s Time! Fetal lungs tell mom when to deliver baby
The maturing lungs of a fetus may signal the mother when it's time for labor.
By John Travis -
AnimalsWolf vs. Raven? Thieving birds may drive canines to form big packs
A previously underappreciated reason why wolf packs get so big could be the relentless food snitching of ravens.
By Susan Milius -
EcosystemsCoastal Surge: Ecosystems likely to suffer as more people move to the shores
Rapid development and population growth on and near U.S.