Search Results for: Butterflies
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1,038 results
1,038 results for: Butterflies
- Ecosystems
Insects, pollen, seeds travel wildlife corridors
Strips of habitat boost insect movement, plant pollination, and seed dispersal among patches of the same ecosystem.
- Health & Medicine
All Roads Lead to RUNX
Genetic mutations that predispose some people to the autoimmune diseases lupus, psoriasis, and rheumatoid arthritis appear to have a common molecular feature: They derail the work of a protein, called RUNX1, that regulates how active certain genes are.
- Humans
From the December 31, 1932, issue
SIX COLORS MIX IN WATER AT BASE OF CAPITOL One of the most spectacular fountain lighting systems places the Capitol at Washington in a new setting, when the building is viewed from the direction of the Union Station. Engineers describe the recently installed system as a fixed color installation. Water in the fountain and terrace […]
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- Tech
Reinventing the Yo-Yo
No longer simple toys, today's pricey yo-yos sport high-tech features—such as ball bearing transaxles and precision string-snagging mechanisms—that permit dazzling new styles and complex tricks.
- Ecosystems
Males live longer with all-year mating
Male butterflies live longer in Madeira, where females are available year-round, than in Sweden, where females mature in one burst.
- Animals
No Tickling: Common caterpillars deploy defensive hair
The caterpillars of the European cabbage butterfly have a chemical defense system that scientists haven't documented before.
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From the June 11, 1932, issue
BUTTERFLIES, “WINGED JEWELS,” ARE GEMS AT START OF LIFE Butterflies have been called “winged jewels” so often that the conceit can hardly be considered poetic any longer. Yet the appropriateness of the old metaphor receives new confirmation when we look at the egg of a butterfly, which represents the humblest beginning of its career of […]
- 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.
- Earth
Treaty is Imminent for Genetically Engineered Foods
The Republic of Palau–a 9-year-old confederation of some 300 Pacific islands–has fewer than 20,000 inhabitants and a land area only about 2.5 times the size of Washington, D.C. Yet this tiny nation southeast of the Philippines made big history last week when its government became the 50th to ratify the United Nations’ Cartagena Protocol, a […]
- Earth
When Genes Escape
The focus of the debate over transgenic crops has changed from whether genes will escape to what difference it will make when they do.
- Animals
Sniff . . . Pow! Wasps use chemicals to start ant brawls
Wasps sneak around in ant colonies thanks to chemicals that send the ants into a distracting frenzy of fighting among themselves.
