Search Results for: Butterflies
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1,028 results
1,028 results for: Butterflies
- Animals
Male butterflies are driven to drink
Monarch butterflies that winter in California, especially males that had a demanding day, search out dewdrops as a water source.
- Earth
Bt corn pollen can hurt monarchs
A second test of a strain of corn genetically engineered to make its own insecticide finds potential for harm to monarch butterfly caterpillars.
- Animals
Butterfly ears suggest a bat influence
Researchers have found the first bat-detecting ear in a butterfly and suggest that the threat of bats triggered the evolution of some moths into butterflies.
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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.
