Life
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Animals
The truth is, frogs bluff and crabs cheat
Two research teams say they've caught wild animals bluffing, only the second and third examples (outside of primate antics) ever recorded.
By Susan Milius -
Paleontology
Telltale Dino Heart Hints at Warm Blood
A recently discovered fossil dinosaur heart is more like the heart of birds and mammals than that of crocodiles, providing further evidence that dinosaurs may have been warm-blooded.
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Ecosystems
New protection for much-dogged shark
To rebuild northeastern U.S. populations of the spiny dogfish, the first fishing quotas on this species limit the harvest to roughly 10 percent of the 1998 haul.
By Janet Raloff -
Animals
Music without Borders
When birds trill and whales woo-oo, we call it singing. Are we serious?
By Susan Milius -
Paleontology
Trilobites to Go
Extinct even before dinosaurs existed on Earth but extensively preserved in the fossil record, the eight orders of trilobites (more than 15,000 species) live on via this large, informative Web site, created by zoologist and amateur trilobite enthusiast Sam Gon III. The site provides a gallery of images, a glossary of terms, and much more. […]
By Science News -
Paleontology
Dinosaurs, party of six, meat eating
The bones of six carnivorous dinosaurs discovered in a fossil bed in Patagonia may indicate that big, meat-eating dinosaurs were social creatures.
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Paleontology
Fossil gets a leg up on snake family tree
A 95-million-year-old fossil snake with legs may be an advanced big-mouthed snake, not a primitive ancestor.
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Ecosystems
State of U.S. Agro-ecosystems
About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]
By Janet Raloff -
Plants
Underground Hijinks: Thieving plants hack into biggest fungal network
For the first time, plants have been caught tapping into the most widespread of soil fungi networks and using it to steal food from green plants.
By Susan Milius -
Paleontology
Salvaged DNA adds to Neandertals’ mystique
Researchers who isolated a sample of Neandertal mitochondrial DNA say that it provides no evidence that Neandertals contributed to modern human evolution.
By Bruce Bower -
Plants
Fungus of the Month
Wisconsin botanist Tom Volk’s smorgasbord of a mycology Web site offers a variety of enticing distractions. You can find morel mushrooms dressed in their holiday best, fungi that ought to be avoided at a Thanksgiving feast, and much more. Be sure to check out the fungus of the month, then browse the archive of fungal […]
By Science News -
Animals
Eat the Kids: Are cannibal fish just freshening the O2?
In beaugregory damselfish, males that snack on some of the eggs supposedly in their care may end up benefiting the rest of the egg clutch by making more oxygen available.
By Susan Milius