6,745 results
- Anthropology
Earliest Ancestor Emerges in Africa
Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.
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Tree pollen exploits surrogate mothers
An Algerian cypress releases pollen that can develop without fertilization, using another tree species' female organs instead of a mate's.
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Depression linked to heart deaths
In a community sample, people suffering from moderate to severe depression exhibited an elevated death rate from heart disease over a 4-year study period, even if they had no discernable heart disease to begin with.
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The Lives of Pandas
On a tight energy budget, newborns no bigger than chipmunks grow into roly-poly superstars.
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From the March 14, 1931, issue
NEW WELDED PIPE LINE CARRIES WATER TO SAN DIEGO On the front cover of this weeks SCIENCE NEWS LETTER, the cameraman has caught two electric arc welders tying in an important section of a 19-mile-long steel serpent, 40 inches in diameter in some places and 36 inches in others, that will carry water from reservoirs […]
- Anthropology
Evolving in Their Graves
Understanding what early, rudimentary burials meant to modern humans' antecedents—assuming early humans did, in fact, bury their dead—could help anthropologsts untangle a lasting mystery of human evolution.
- Health & Medicine
Natural antidepressant has its limits
St. John's wort, a popular ingredient in herbal remedies, may not help people with moderate or severe forms of depression.
- Humans
Weekly Science Snoop
WARNING: This fake tabloid contains rumor, humor, and other words that don't rhyme with truth.
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Pulling antioxidants starves cancers
Realizing that many cancers depend on antioxidants for their survival, researchers have successfully designed a dietary strategy that suppresses breast cancer growth and spread, at least in animals.
- Earth
New analysis rejuvenates Himalayas
The Asian mountain range that includes some of the tallest peaks in the world turns out to be about 15 million years younger than geologists previously thought.
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From the April 4, 1931 issue
PASCHAL FLOWERS BLOOM ON PRAIRIES OF THE WEST Easter-Tide is remembered in America by two names, one of a place, the other of a flower. When the youth-seeking Ponce de Leon sighted the coast of the New World it was on Easter morning, and accordingly he named the place he had found Pascua Florida, or […]
- Ecosystems
Tadpole Science Gets Its Legs . . .
The amazingly complex tadpole now shines in ecological studies.
