6,698 results
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A Rocky Start
A new origin-of-life theory holds that life began within the confines of iron sulfide rocks surrounding hydrothermal vents at the ocean bottom.
- Health & Medicine
Acetaminophen in Action: Effect on an enzyme may stop pain, lower fever
The discovery of an enzyme scientists are calling cyclooxygenase-3, which is disabled by acetaminophen, might explain why this drug can stop pain and fever but not inflammation.
- Health & Medicine
Perk Up Food Flavors with. . .Black Plastic? (with pesto recipe)
Pesto, a zesty sauce for pasta and spread for crusty breads, typically derives much of its flavor from basil. The fresher this herb, the richer the pesto’s flavor–which is why many people with a pesto passion keep a basil patch outside the kitchen door. USDA scientists compare the yield and quality of identical crop cultivars […]
- Animals
Slithering on Air: Flying snakes glide through the treetops
The paradise tree snake flies by flattening its body and slithering through the air.
- Animals
Altruistic Sperm: Mouse gametes team up to power one winner
The sperm of wood mice hook together by the thousands to form high-speed teams racing toward an egg, even though only one of the pack will get the prize.
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From the April 23, 1932, issue
WELDING OFFERS CAMERA STRIKING FIELD OF BEAUTY By no means a trivial by-product of electric welding is the field of beauty the new art is opening up for photographers. While electricity eliminates the irritating staccato of noisy riveting, the photographer focuses his camera on a glowing scene of shadow and light, man and steel. Such […]
- Plants
Bleeding Trees: Microbial suspect named in beech deaths
A microbe related to the one that caused the Irish potato famine may be killing majestic old beech trees in the northeastern United States.
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Save Our Sounds
Some 14 libraries around the world have built up substantial collections of natural sounds, from bird songs to fish hums.
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Insects deploy sticky feet with precision
Sticky ant and bee footpads retract and unfold in time with insect steps, so the insects don't trip over their own sticky feet.
- Ecosystems
Spring Forward
Scientists who study biological responses to seasonal and climatic changes have noted that the annual cycles for many organisms are beginning earlier on average, as global temperatures rise.
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Virgin birth infections shift wasp targets
Scientists have found a second bacterial infection that can cause an insect version of virgin births, but this one can affect the host that a wasp attacks.
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Desert beetle catches fog on its back
The bumpy back of a desert beetle has inspired a design for collecting water from fog.
