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5,038 results for: seek
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A Man’s Job
Sperm contain an unexpected payload of RNA, a discovery offering insight into infertility, cloning, and contraception.
By John Travis -
Good Grief: Bereaved adjust well without airing emotion
Among bereaved spouses tracked for up to 2 years after their partners' death, those who often talked with others and briefly wrote in diaries about their emotions fared no better than their tight-lipped, unexpressive counterparts.
By Bruce Bower -
Pushing the Mood Swings
Social and psychological forces sway the course of manic depression.
By Bruce Bower -
18963
I was distressed to read that Science News thinks there are no steroid hormone receptors in insects. Granted, their reproduction is not regulated by steroids, but ecdysone, the molting hormone, is certainly a steroid. There is some evidence that juvenile hormone, the hormone that regulates development and sometimes reproduction, acts through a steroidlike-receptor pathway. Other […]
By Science News -
Health & Medicine
Cancer drugs may thwart Huntington’s
Drugs developed to fight cancer could also be effective against Huntington's disease and several related neurodegenerative conditions.
By John Travis -
Health & Medicine
Is Snoring a DiZZZease?
Snoring may trigger high blood pressure, which can lead to heart disease or stroke.
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Evolutionary Upstarts
Theories of the evolution of the human mind are evolving, with some researchers now presenting alternatives to the dominant notion that genetic competition for survival during the Stone Age yielded brains stocked with a bevy of instincts for specific types of thinking.
By Bruce Bower -
The Meaning of Life
Computers are unscrambling genomes to reveal the secrets in DNA codes.
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Get Rid of the Bodies
Scientists are learning how organisms safely clear out cell corpses.
By John Travis -
18958
The study in “Marijuana may boost heart attack risk” appears to be more about the effects of smoking and deep inhalation than a useful examination of the effects of tetrahydrocannabinol, which is what marijuana smokers seek. The report makes it sound as though this active ingredient is the cause of the marginal increase in heart […]
By Science News -
Health & Medicine
Diet Pills: It’s Still Buyer Beware
With some half of the adult U.S. population overweight–many individuals severely so–is it any wonder that the fastest growing segment of the dietary supplement industry is weight-loss aids? Since 1997, sales of diet pills and related supplements have been increasing 10 to 20 percent annually to the point where last year they reached $2 billion. […]
By Janet Raloff