5,504 results
5,504 results for: Forests
- Animals
Butterfly ears suggest a bat influence
Researchers have found the first bat-detecting ear in a butterfly and suggest that the threat of bats triggered the evolution of some moths into butterflies.
- Paleontology
Older Ancestors: Primate origins age in new analysis
A controversial new statistical model concludes that the common ancestor of primates lived 81.5 million years ago, about 16 million years earlier than many paleontologists have estimated.
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Kelp! Kelp!
We can’t see this forest for the seas, but several Web sites offer colorful introductions to the variety and complexity of kelp forests. The State University of New York at Stony Brook site presents a photo album of different kelp forests. The Monterey Bay National Marine Sanctuary pages summarize the ecology of these complex ecosystems. […]
- Earth
Greenhouse Gassed
Scientists are discovering that more carbon dioxide in the air could spell disaster for plants and the animals that love to eat them.
- Paleontology
Ancient Whodunit: Scientists indict wee suspects in ancient deaths
Evidence locked in 180,000-year-old sediments suggests that a toxic algae bloom was the cause of death for a large group of mammals that were fossilized intact on an ancient lake bottom.
- Earth
Hawaii’s Hated Frogs
Wildlife officials in Hawaii are investigating unconventional pesticides to eradicate invasive frogs—or at least to check their advance.
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From the January 4, 1930, issue
PILTDOWN MAN EARLIEST HUMAN BEING The ape-man of Darwin was read out of man’s family tree and the dawn-man of Sussex, older than 1,250,000 years, was elevated to the position of man’s progenitor by Dr. Henry Fairfield Osborn, president of the American Museum of Natural History, New York. A new picture was painted by Dr. […]
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From the December 12, 1931, issue
SCIENCE AT THE WORLDS CROSSROADS Everybody has heard of Barro Colorado, the hill that was turned into an island, and was set aside as a great animal sanctuary; but only a few persons have ever set foot on it. In the nature of things, an animal sanctuary cannot be opened to crowds of visitors, so […]
- Animals
Big woodpeckers trash others’ homes
Pileated woodpeckers destroy in an afternoon the nesting cavities that take endangered red-cockaded woodpeckers 6 years to excavate.
- Earth
Avalanche!
Laboratory studies of how snow crystals change shape under fluctuating environmental conditions and computer analyses that match the patterns of past avalanches with detailed meteorological data are helping scientists uncover the secrets of avalanches.
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18951
That is a neat little recycle program described in “New test traces underground forest carbon.” As fast as the CO2 comes out of the ground, the tree grabs the carbon by photosynthesis and leaves two oxygen atoms in the atmosphere. A portion of the carbon is stored until the wood rots or burns. Some carbon […]
- Earth
Warm spell did little for Eocene flora
A rapid warming period that began the Eocene epoch dramatically reshaped North America's animal community but not the continent's plants.
