Mapping the family tree of stars

Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees ...

date16 hours ago in Astronomy
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Pest ant control improved with water-resistant bait

Pest ants like the red imported fire ant could be controlled more effectively with insecticide baits that can withstand moisture, say researchers with the United States Department of Agriculture's Agricultural Research Service ...

date18 hours ago in Ecology
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Friction in the vacuum?

(Phys.org)—When three physicists first discovered through their calculations that a decaying atom moving through the vacuum experiences a friction-like force, they were highly suspicious. The results seemed to go against ...

date19 hours ago in Quantum Physics feature
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