Uncategorized
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AgricultureApple pests stand up to antibiotics
Scientists are concerned about new forms of antibiotic resistance cropping up in fire blight—a deadly disease of apple trees.
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What’s learning to a grasshopper?
Learning the taste of nutritious food pays off in a boost to fitness, even for a grasshopper.
By Susan Milius -
Bacteria make locust-swarm signal
A pheromone that helps drive locusts into a swarm comes from bacteria in their gut.
By Susan Milius -
Over there! Eat them instead!
An ant will ignore a single golden egg bug and attack a mating pair, a choice that may explain why singles hang around pairs.
By Susan Milius -
Wash that mouth out with bacteria!
Genetically engineered bacteria may stop tooth decay by replacing the ones in the mouth that destroy tooth enamel.
By John Travis -
EarthUndersea volcano: Heard but not seen
The search is on for an undersea eruption near the Japanese volcanic island chain.
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EarthIce age forest spruces up ecology record
Scientists have recently discovered a 10,000-year-old forest buried in the sand in Michigan.
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PhysicsPhoton-in-a-box slings atom into orbit
A single photon confined to a tiny, mirror-lined cavity becomes electrically strong enough to swing an atom in loops.
By Peter Weiss -
PhysicsNeon gives healthy glow to reactor
Preferring neon to nicotine, magnetic-fusion reactors called tokamaks get a performance boost from puffs of the noble gas.
By Peter Weiss -
AnimalsPregnant—and Still Macho
Some of the basic theories of sexual behavior and sexual selection are getting attention thanks to a burst of new studies in the topsy-turvy social world of the seahorse, where the males get pregnant.
By Susan Milius -
Health & MedicineIs Snoring a DiZZZease?
Snoring may trigger high blood pressure, which can lead to heart disease or stroke.
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ChemistryWhere the Gems Are
By using a novel tool to figure out an emerald’s oxygen-isotope ratio, gemologists can now determine which mine the precious stone came from and, possibly, gain insights into the formation and history of these coveted gems.
By Corinna Wu