Search Results for: Butterflies
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1,025 results
- Animals
Mixed Butterflies: Tropical species joins ranks of rare hybrids
A South American butterfly is one of the few animal species that seems to have arisen via the supposedly rare path of crossing two older species.
- Earth
Invasive, Indeed
Some people may live lightly on the land, but the demands of the world's population as a whole consume nearly a quarter of Earth's total biological productivity.
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Cool Science for Kids
This Web site, produced by the Howard Hughes Medical Institute, provides hands-on science activities for elementary-school students. It uses animation, sound, quizzes, and other techniques to encourage kids to explore biology. Activities include building a model of a butterfly emerging from a cocoon and identifying which parts of plants belong in the family salad bowl. […]
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Is a Galápagos finch caught in a split?
An inland population of one of the famed Galápagos finches may become a new textbook example of the way in which two species emerge from one while still living together.
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Finding Form
Biologist Sean Carroll maintains a site devoted to the genetics of animal body designs and evolution. Read about advances in the emerging field of evolutionary developmental biology and watch brief movies of embryo formation in fruit flies, butterfly wing development, and other natural wonders. Go to: http://www.molbio.wisc.edu/carroll/index.html
- Animals
Not-So-Elementary Bee Mystery
Old-style epidemiology casework combines with an array of 21st-century lab tests in the search for clues to the disappearance of honeybees.
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Way to Glow: Butterfly-wing structure matches high-tech lights’ design
The blue-green wings of the swallowtail butterfly harbor an intricate optical system with a design reminiscent of the latest in light-emitting diode technology.
- 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.
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Monarchs in the Classroom
Learn about monarch butterflies and the “Monarchs in the Classroom” program at this Web site from the University of Minnesota. The site provides information on the life cycle of monarch butterflies and their global distribution. Research pages highlight topics of current interest. There’s also information on how to rear monarchs. Go to: http://www.monarchlab.umn.edu/
- Agriculture
Biotech cotton: Less spray but same yield
The way farmers grow transgenic cotton in Arizona lets them skip some of their regular spraying but end up with the same yield as traditional farmers, as well as the same impact on ants and beetles.
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Inherit the Warmer Wind
The genetic makeup of organisms ranging from fruit flies to birds appears to be changing in response to global warming.
- Animals
The Trouble with Chasing a Bee
Radar has long been able to detect high-flying clouds of insects, but it's taken much longer for scientists to figure out how to track your average bee.
