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Health & MedicineNew Antidote to Botulism: Drug neutralizes toxin in mouse tests
An experimental drug disables deadly botulism toxin much better than current treatment does.
By Nathan Seppa -
EarthLong, Dry Spells: Lengthy droughts tied to long-lived La Niñas
A new study of persistent droughts that occurred in the United States during the past 3 centuries suggests that those dry spells may be associated with prolonged periods when sea-surface temperatures in the central Pacific were cooler than average.
By Sid Perkins -
AnimalsStrong Medicine: Over-the-counter remedy snags snakes
Acetaminophen—the active ingredient in Tylenol—vanquishes brown tree snakes, the bane of Guam.
By Janet Raloff -
19100
This article mentions that “toxicology studies suggest that crabs, birds, rodents, and cats face little risk from the baits.” Acetaminophen in fact is lethal to cats. Cats may be safe, however, because of their preference for live food. John WeissDallas, Texas
By Science News -
PhysicsSunlight Sponge? Energy trackers gauge water vapor’s wild dance
Atmospheric water vapor takes in more solar radiation than has been indicated by measurements and models, but laser probes of highly agitated water molecules suggest that the vapor doesn't absorb enough radiation to explain the discrepancy fully.
By Peter Weiss -
EcosystemsPfiesteria’s Bite: Microbe may kill fish by skinning, not poisoning
At least one kind of Pfiesteria—accused of killing fish and threatening human health—does not produce a toxin but kills by eating holes in fish's skin, some researchers say.
By Susan Milius -
Health & MedicineFullness Factor: Gut hormone tells brain the stomach is well fed
A hormone produced by the intestines could be the primary satiety signal sent to the brain.
By John Travis -
AstronomyVisible Matter: Once lost but now found
New observations confirm that most of the visible matter in the universe lies hidden in vast, hard-to-detect gas clouds between galaxies.
By Ron Cowen -
PlantsRecent tree scourge poses garden threat
Lab tests suggest that a lethal disease of oak trees in California and Oregon could strike some popular garden shrubs in the rhododendron family.
By Susan Milius -
PlantsDisease outpacing control in largest chestnut patch left
An unusual test of a biological control for the blight that's killing American chestnuts doesn't look good in the largest remaining patch.
By Susan Milius -
Speech loses beat in dyslexia
The severe reading disorder known as dyslexia may involve an inability to perceive a critical rhythmic beat that separates parts of spoken words.
By Bruce Bower -
Health & MedicineUlcer bug linked to stroke
Potent strains of an ulcer-causing bacterium may also trigger strokes.