Search Results for: Butterflies
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1,025 results
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Infected butterflies reverse sex roles
In butterfly populations afflicted by male-killing bacteria, females gather in frantic swarms to mate.
- Materials Science
Waterproof Coats: Materials repel water with simplicity, style
Researchers have produced new types of water-repelling surfaces, including one that's colorful and another made of inexpensive plastic.
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
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Fig-Wasp Upset: Classic partnership isn’t so tidy after all
Genetic analysis suggests that a textbook example of a tight buddy system in nature—fig species that supposedly each have their own pollinating wasp species—may need to be rewritten.
- 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.
- Ecosystems
Insects, pollen, seeds travel wildlife corridors
Strips of habitat boost insect movement, plant pollination, and seed dispersal among patches of the same ecosystem.
- 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 […]
