5,140 results
5,140 results for: seek
- Animals
Caiman tears make a salty snack
An ecologist observed a bee and a butterfly hovering around a caiman, engaging in lacryphagous behavior, slurping up the crocodilian’s tears.
- Math
National Museum of Mathematics is antidote to math phobia
New York's National Museum of Mathematics offers a physical, tactile, even rambunctious presentation of math.
- Humans
Letters from the August 18, 2007, issue of Science News
Exhaustive analysis I would debate the “1,000 watts or more” value attributed to typical adults during strenuous exercise (“Powering the Revolution: Tiny gadgets pick up energy for free,” SN: 6/2/07, p. 344). Hiking up steep slopes, I rarely exceed 250 W myself, and typical hikers are going much slower. The 1,000-watt figure can only apply […]
- Neuroscience
Rats feel regret, experiment finds
When they turn down a good meal for a lesser one, rodents regret their choice, a study suggests.
- 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.
- 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 […]
- Health & Medicine
Bad kitty: Cat bites can cause nasty infections
Three in 10 patients seeking treatment for hand bites were hospitalized, study finds.
