Search Results for: Butterflies
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1,043 results
1,043 results for: Butterflies
- Ecosystems
Most Bees Live Alone
Concern about honeybee shortages has inspired new interest in bees that lead solitary lives and don't bother storing honey.
- Math
A Minimal Winter’s Tale
The organizers of the Breckenridge snow sculpture championships in Colorado must be getting used to having a mathematical element in their annual competition. A simple version of Enneper’s surface just before (above) and just after (below) it self-intersects. The award-winning snow sculpture of Enneper’s surface. For the second year in a row, a team assembled […]
- Earth
Wildfire, Walleyes, and Wine
An international panel's latest report on the impacts of climate change highlights an overlooked need: preparing for droughts, floods, heat waves, and other disasters.
- Ecosystems
State of U.S. Agro-ecosystems
About one-quarter of the United States’ land cover, excluding Alaska, is farmed–some 430 million to 500 million acres. A massive new project has just assessed this and other food-producing environments, such as coastal waters, fresh waters, and rangelands, to tally factors contributing to health. Released on Sept. 24, it indicates that most ecosystems are undergoing […]
- 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 […]
- Environment
Fukushima contamination affects butterfly larvae
Butterfly larvae fed leaves with radioactive cesium from the Fukushima nuclear disaster had a higher rate of death and development abnormalities than larvae that got leaves from a location farther from the accident.
- Animals
Bird dropping disguise proves to be effective camouflage
Several species of spiders and other animals mimic bird poop.
- Plants
South American vine is a masterful mimic
The vine Boquila trifoliolata changes the shape of its leaves to match its host and avoid getting eaten.
- Animals
Meat-Eating Caterpillar: It hunts snails and ties them down
A newly named species of Hawaiian caterpillar sneaks up on a resting snail and quickly spins silk strands around it, lashing it to the spot, and then eats it.
- Animals
A year of rediscovered species
Thousands of species go extinct each year, but at least a few are found after many years of being lost.
- Animals
Musical Pairs: Egg-deploying bird species divide for a song
A new genetic analysis bolsters the idea that musical taste, rather than geography, split Africa's indigobirds into multiple species.
- Earth
Bioengineered crops have mixed eco effects
An unusually large test of the ecological impact of genetically modified crops finds mixed results, depending on the crop.
