5,038 results
5,038 results for: seek
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Heat-Seeking Missiles: Sperm may follow rising temperature to egg
In a process called thermotaxis, sperm cells may use a temperature gradient in the fallopian tubes to find their way to an unfertilized egg.
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Widows show third-year rebound
Women whose husbands die largely overcome their grief-related problems, including depression and social isolation, by about 3 years after their loss, according to a national study.
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To Err Is Human
Two researchers have issued a blunt critique of what they see as a misguided emphasis on immoral behaviors and mental flaws in many social psychology studies.
- Tech
Smart dust can swarm target
Microscopic mirrors can swarm a target and produce an optical signal that identifies the target to the observer.
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Quite a Switch
Cells use ribonucleic acids that bind to small molecules such as vitamins to control gene activity.
- Agriculture
Fishy Alpha Males
As a way to protect wild fish stocks, raising genetically engineered fish may be futile should some of these modified fish escape into the environment.
- Chemistry
Secret of strong silk
By controlling the amount of water in their glands, spiders and silkworms prevent their silk proteins from crystallizing prematurely.
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
- Health & Medicine
No Scope: CT scan works as well as colonoscopy
A computed tomography scan of the large intestine works as well as colonoscopy in detecting signs of colon cancer.
- Materials Science
Diatom Menagerie
Materials scientists are trying to coerce diatoms into making silicon-based microdevices with specific features.
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Reef Relations
The discovery of humanlike genes in coral means that the common ancestor of both humans and coral was more complex than previously assumed.
- Health & Medicine
Telltale Charts
Overturning a basic tenet of conventional wisdom in cardiology, new research suggests that more than half the people who develop heart disease first show one of the warning signs of smoking, having diabetes, or having high blood pressure or cholesterol.
