Uncategorized
- Earth
Meteor dust layers taint Antarctic ice
Two layers of deep Antarctic ice, each hundreds of thousands of years old, are rich in meteoritic dust.
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SSRI use declines, youth suicides rise
In the United States and the Netherlands, youth suicides have increased as the number of antidepressant prescriptions for children and teenagers has fallen, raising concerns that regulatory warnings about these drugs have backfired.
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- Health & Medicine
Warming to a Cold War Herb
Benefiting from decades of research that took place behind the Iron Curtain, Western physicians are discovering Rhodiola rosea, a cold-weather herb that purportedly fights fatigue and boosts energy.
- Humans
From the September 11, 1937, issue
A sad story of feathered romance, observation of the 16th supernova in recorded history, and an underwater earthquake down under.
- Chemistry
Kitchen Chemistry
Play with your food. That’s encouraged at this Countertop Chemistry site. Its kitchen-based teaching projects have been compiled by the Science House, an educational outreach program of North Carolina State University. Go to: http://www.science-house.org/learn/CountertopChem/
- Tech
Spot On: Printing flexible electronics one nanodot at a time
A new high-resolution printing technique could make flexible electronics such as plastic displays and solar cells easier to produce.
- Health & Medicine
Brain Sabotage: Alzheimer’s protein may spawn miniseizures
Amyloid-beta, a protein implicated in Alzheimer's disease, causes misfiring of neurons and minor brain seizures in mice.
- Earth
Grazing on the Periodic Table: Some ancient microorganisms lived on a diet of pure sulfur
Microorganisms that lived 3.5 billion years ago obtained energy by metabolizing pure sulfur.
- Health & Medicine
Debate Renewed: Diabetes drug ups heart risk
A popular diabetes drug significantly increases the risk of heart failure and heart attack in those who take it.
- Animals
Fish Switch: Salmon make baby trout after species, sex swap
Salmon implanted with trout reproductive tissue bred to produce a generation of normal rainbow trout.
- Planetary Science
Survivor: Extrasolar planet escapes stellar attack
An extrasolar planet survived after its aging parent star ballooned into a red giant that almost engulfed it.
