Search Results for: Spiders
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Hey, we’re richer than we thought!
The latest inventory of life in the United States has turned up an extra 100,000 species of plants, animals, and fungi.
By Susan Milius -
The trouble with small male spiders
A test of an old view of sexual cannibalism—that it's a way of rejecting suitors—finds that small males lose out, but not from attacks by females.
By Susan Milius -
From the April 9, 1932 issue
SPIDERS’ EGGS FORM PATTERN LIKE MOSAIC OF PEBBLES Like a rough mosaic of pebbles is the array of spider’s eggs photographed by Cornelia Clarke and reproduced on the cover of this week’s Science News Letter. Although smaller than small pinheads, the enlarging lens brought the eggs up to such apparent size that they were guessed […]
By Science News -
Animals
Hanging around Mom’s web helps everybody
For nearly grown spiderlings, lingering in their mother's web instead of setting off on their own turns out to be a boon for the mom, as well as themselves.
By Susan Milius -
Agriculture
Bt corn variety OK for black swallowtails
The first published field study of butterflies and genetically altered corn finds no harm to black swallowtail caterpillars from a common corn variety.
By Susan Milius -
Health & Medicine
Scrambled Drugs: Transgenic chickens could lay golden eggs
Scientists have created transgenic chickens able to produce foreign proteins—and, potentially, pharmaceuticals—in their eggs.
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From the October 17, 1931, issue
MATERNAL CARES MULTIPLY WITH COMING OF COLD Winter has breathed a hint of its coming already, in puffs of frosty air that make us forget the heat of summer that is gone, even of the unseasonable hot spell of early September. But the coming of the cold bodes only ill for the cold-blooded creatures of […]
By Science News -
Funnel-web males send knockouts in air
Male funnel-web spiders seem to waft some kind of gas toward females that renders the females limp, enabling the males to mate without being eaten.
By Susan Milius -
Earth
Hawaii’s Hated Frogs
Wildlife officials in Hawaii are investigating unconventional pesticides to eradicate invasive frogs—or at least to check their advance.
By Janet Raloff -
Earth
The Case for DDT
What do you do when a dreaded environmental pollutant saves lives?
By Janet Raloff -
Anthropology
Care-Worn Fossils
A nearly toothless fossil jaw found in France has reignited scientific debate over whether the skeletal remains of physically disabled individuals show that our Stone Age ancestors provided life-saving care to the ill and infirm.
By Bruce Bower -
Evolutionary Upstarts
Theories of the evolution of the human mind are evolving, with some researchers now presenting alternatives to the dominant notion that genetic competition for survival during the Stone Age yielded brains stocked with a bevy of instincts for specific types of thinking.
By Bruce Bower