5,139 results
5,139 results for: seek
- Neuroscience
Sunbathing may boost endorphins in the body and brain
UV light makes mice churn out a molecule that is a cousin of morphine and heroin, a finding that may explain why some people seek out sunshine.
- Psychology
Online causes may attract more clicks than commitments
Online awareness campaigns can make people feel they’ve contributed to a good cause, but social scientists say the tangible benefits of such efforts may be small.
- Health & Medicine
Supercooling makes livers for transplants last longer
Supercooling a rat liver for transplant greatly increased an organ’s survival time outside the body, potentially opening the door for global allocation of human organs.
- Plants
Dastardly daisies
This flower isn’t just any old sex cheat. It can be sexually deceptive three ways and in 3-D.
- Astronomy
Some gas clouds refuse to collapse
A study of dust gives astronomers a sharper picture of cold gas.
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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 […]
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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 […]
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18966
One cannot be around cats long without observing that they have intelligence and personalities nearly as complex and diverse as people do. They communicate with each other and people, both verbally and with body language. They have preferences for whom they associate with, both human and feline, and those can change. I think that complexity […]
- Neuroscience
Brain shot
Deciphering how the brain’s circuitry produces thought and behavior is an ambitious and enticing goal on the scale of the Apollo Program or the Human Genome Project. But the neuroscientists involved in a new federal effort have many challenges ahead.
- Health & Medicine
Bad kitty: Cat bites can cause nasty infections
Three in 10 patients seeking treatment for hand bites were hospitalized, study finds.
- Earth
Magma spends most of its existence as sludgy mush
Volcanic magma may spend most of its time in a chunky state resembling cold porridge, a new study finds.
- Neuroscience
Me, Myself, and Why
Me, Myself, and Why is an ambitious effort to dissect the hodgepodge of genetic and environmental factors that sculpt people’s identities.
