6,875 results
6,875 results for: Bears
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From the October 10, 1931, issue
X-RAYS FIND NEW BEAUTIES FOR STUDENTS OF FLOWERS Searching the secrets of a flowers heart acquires new esthetic significance at least, and may become of importance in plant physiology and anatomy, too, through an X-ray technique developed by Mrs. Hazel Engelbrecht of Des Moines. It is not the first time that X rays have been […]
- Astronomy
Extrasolar planets: More like home
A trove of newly discovered planets orbiting other stars suggests that the solar system may not be the oddball it had begun to seem.
- Earth
Pharm Pollution
Antibiotics in sewage sludge and manure have the potential to poison plants or end up in food.
- Anthropology
Searching for the Tree of Babel
Researchers are using new methods of comparing languages to reveal information about the ancestry of different cultural groups and answer questions about human history.
- Paleontology
Fossils Indicate. . .Wow, What a Croc!
Newly discovered fossils of an ancient cousin of modern crocodiles suggest that adults of the species may have been dinosaur-munching behemoths that grew to the length of a school bus and weighed as much as 8 metric tons.
- Math
Election Selection
By ignoring how voters might rank all the candidates in an election, the plurality system opens the floodgates to unsettling, paradoxical results when there are three or more candidates.
- Anthropology
Humans in eastern Asia show ancient roots
Human ancestors lived in northeastern Asia about 1.36 million years ago, making it the oldest confirmed occupation site in eastern Asia.
- Health & Medicine
EMFs in home may limit night hormone
A pair of studies suggests a link, at least in some women, between elevated residential exposure to electromagnetic fields and reduced production of the hormone melatonin.
- Earth
Presto, Change-o!
Compared with the snail's-pace processes that normally shape Earth's surface, the impacts of extraterrestrial objects change our planet's geology in a flash.
- Physics
Catch a Wave
Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.
- Astronomy
Senior star may have comets
Astronomers have found what could be the first evidence of water-bearing objects that orbit a star other than the sun.
- Math
Spotting Ladybugs
Ladybugs are among the most familiar of beetles. More than 4,000 species are found throughout the world, ranging in size from 4 to 18 millimeters. Also known as lady beetles or ladybirds, these insects (coccinellids) have rounded bodies and bright red, orange, or yellow wing covers, which usually bear an array of contrasting black spots […]
