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6,867 results for: Bears
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For some birds, Mr. Wrong can be alright
What looks like the ultimate bad choice in romance—a mate from a different species—in some conditions may not be so dumb after all.
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From the January 31, 1931, issue
ROBBER FLY MASQUERADES IN BUMBLEBEE’S CLOTHING The villainous-looking hexapod that glares at you from the cover of this week’s SCIENCE NEWS LETTER is as bad a citizen as he looks. He is a robber fly, who should by rights be called an assassin fly, for his practice is to pounce upon other insects in the […]
- Anthropology
Human ancestors made ancient entry to Java
Layers of hardened volcanic ash on the Indonesian island of Java have yielded evidence that Homo erectus reached eastern Asia by 1.5 million years ago and remained there until about 1 million years ago.
- Computing
Sneaky Calculations
The same communication system that brings you the Web page of your choice can be exploited to perform computations.
- 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.
