Search Results for: Forests
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5,531 results for: Forests
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AnimalsFrogs Play Tree: Male tunes his call to specific tree hole
Borneo's tree-hole frog may come as close to playing a musical instrument as any wild animal does. [With audio file.]
By Susan Milius -
ArchaeologyWild Chimps Rocked On: Apes left unique record of stone tools
Researchers have uncovered the first archaeological site attributed to chimpanzees, which includes stone implements that were used to crack nuts on top of thick tree roots.
By Bruce Bower -
PlantsWhy Turn Red?
Why leaves turn red is a stranger question than why they turn yellow.
By Susan Milius -
EarthStudy links cancer to Vatican Radio
Broadcast transmissions from a forest of antennas owned by Vatican Radio, outside Rome, appear to have boosted leukemia incidence in neighboring communities.
By Janet Raloff -
HumansFrom the May 10, 1930, issue
CANNON-BALL TREE The strange growth represented on the cover of this issue of the SCIENCE NEWS-LETTER is not a freak grapefruit tree. It is the normal method of flowering and fruiting of the cannon-ball tree, a member of the monkey-pot family found in the forests of South America. Its fruiting branches always grow out of […]
By Science News -
HumansSolar series wins award for Science News
The Solar Physics Division of the American Astronomical Society has given its 2002 popular writing award to Ron Cowen and Sid Perkins for a two-part series on cyclic variations in the sun's activity.
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HumansFrom the April 5, 1930, issue
SPARROW-SIZE KINGFISHER The Celebes Wood Kingfisher (Ceycopsis fallax), shown on the cover of this week’s SCIENCE NEWSLETTER, is a bird scarcely as large as an English Sparrow. Similar kingfishers of tiny dimensions are found in various tropical countries. They are hunters as well as fishers and feed on insects and other life as well as […]
By Science News -
EarthPlants seen as unpredictable carbon sponge
Changing land-use practices—especially in forests, croplands, and fallow areas—appear to play a far bigger role than anticipated in determining how much carbon gets removed from the air by vegetation.
By Janet Raloff -
MathMöbius and his Band
Making a Möbius strip. A Möbius band (or strip) is an intriguing surface with only one side and one edge. You can make one by joining the two ends of a long strip of paper after giving one end a 180-degree twist. An ant can crawl from any point on such a surface to any […]
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AnimalsOops. Woodpecker raps were actually gunshots
The knock-knock noises recorded last winter that raised hopes for rediscovering the long-lost ivory-billed woodpecker in Louisiana turn out to have been gunshots instead of bird noises.
By Susan Milius -
EarthAmazon forest could disappear, soon
A new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.
By Sid Perkins -
AstronomySomething New on the Sun
The sharpest visible-light images of the sun ever recorded are revealing puzzling, new features of sunspots, the dark regions where the sun's powerful magnetic field is concentrated.
By Ron Cowen