436 results
- Tech
Some comfort about broken CFLs
My night-owl daughter woke me in a panic at around 2 a.m., a couple of weeks back. While swatting at a fly, she’d just broken the compact fluorescent light illuminating her closet. Having heard me warn endlessly of how we should be careful in handling these bulbs — since they contain mercury — she wanted to know what kind of damage control was called for. I only wish I knew then what I do now.
- Health & Medicine
Morning birds buckle under sleep pressure
Sleep pressure helps set the circadian clocks of early birds and night owls.
- Health & Medicine
Vast majority of teens are sleep-deprived
Most adolescents need at least eight hours of zzzzz’s a night, studies show, and ideally should garner at least nine. A new study tells us just how many kids meet their slumber quota: a whopping 7.6 percent.
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Dying to Sleep
Getting too little sleep can impair body and brain and could even be deadly.
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Central Park in the Dark: More Mysteries of Urban Wildlife
Review by Rachel Ehrenberg.
- Climate
Climate change stifling lemmings
Warmer winter temperatures are altering the snowpack, squelching the rodents’ population booms.
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19845
In this article, the study is reported as the “first confirmed acoustic example of classic defensive mimicry.” Not so. In 1986, Matthew P. Rowe and colleagues published in Ethology an elegant study demonstrating that the burrowing owl’s hiss is acoustic defensive mimicry of the rattlesnake’s rattle. William K. HayesLoma Linda UniversityLoma Linda, Calif.
- Humans
Letters from the August 25, 2007, issue of Science News
Where did the chicken cross? “Chicken of the Sea: Poultry may have reached Americas via Polynesia,” (SN: 6/9/07, p. 356) states, “The most likely sea route ran north of Hawaii and down America’s Pacific coast.” The Polynesians were master mariners, so anything is possible, but continuing east from Tonga to South America is an extension […]
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Body clock affects racing prowess
When it comes to athletic performance, we're all night owls, a new study suggests.
- Paleontology
Going Under Down Under: Early people at fault in Australian extinctions
A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.
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Birds Beware: Several veterinary drugs may kill scavengers
Scavenging birds worldwide could be at risk of accidental poisoning from carcasses of livestock that farmers had dosed with certain anti-inflammatory drugs.
