6,875 results
6,875 results for: Bears
- Paleontology
Did fibers and filaments become feathers?
A variety of filamentary structures on the fossil of a small theropod dinosaur recently found in China may provide new insight into the evolution of feathers.
- Earth
The Mountain
Tall, steep slopes, a crest of glacial ice that's larger than that on any other mountain in the lower 48 United States, and a burgeoning population in its surrounding valleys combine to make Washington state's Mt. Rainier the most dangerous volcano in America.
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Dolphins may seek selves in mirror images
Dolphins apparently recognize their own reflections.
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From the April 11, 1931, issue
THE PRECIOUS JEWELS IN HIS HEAD ARE TWAIN Did you ever stop to take a really good look at a toads eyes? Just as many a plain-faced person is redeemed from ugliness by having fine eyes, so also does the toad find salvation from his ungraceful form, his abysmal mouth, his warty skin. His eyes […]
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Science News of the Year 2001
A review of important scientific achievements reported in Science News during the year 2001.
- Health & Medicine
Study reveals male link to preeclampsia
Men who were born of mothers who had the pregnancy complication preeclampsia are roughly twice as likely to father a child through preeclamptic pregnancy than are men who were born of mothers who had a normal pregnancy.
- Health & Medicine
HIV-related viruses still cross species line
Various potentially dangerous strains of simian immunodeficiency virus exist in wild primates in Africa and are still being spread among people who hunt the animals for meat.
- Anthropology
Early Brazilians Unveil African Look
Prehistoric human skulls found in Brazil share some traits with modern Africans, leading a Brazilian scientist to theorize that Africans rather than Asians first arrived in the Americas sometime before 11,000 years ago.
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Finally, scientists are exploring the nature of religious experiences. Scientists will soon discover that the final frontiers of science and the origin of religion are one and the same. In authentic Zen Buddhism, ultimate reality is that from which all things come and to which all things return. Astrophysicists are traveling in time to find […]
- Astronomy
Gamma-ray bursts reveal distant galaxies
A gamma-ray burst recorded Feb. 22, one of the brightest ever detected, is proving to be the strongest evidence so far that these cosmic flashbulbs originate in star-forming regions of distant galaxies and are generated by the explosive death of massive stars.
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Tapeworms tell tales of deeper human past
A new analysis of tapeworm history suggests that people have been wrong about where we picked up pests: It was not domestication of cattle and pigs but increased meat eating in Africa.
- Health & Medicine
The Seeds of Malaria
By studying the molecular footprints of evolution in parasites and human hosts, geneticists are casting light on when and how malaria became the menace it is.
