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Scientists alter sexual orientation in worms
10-25-2007 · EurekAlert!University of Utah biologists genetically manipulated nematode worms so the animals were attracted to worms of the same sex -- part of a study that shows sexual orientation is wired in the creatures' brains. "They look like girls, but act and think like boys," says Jamie White, first author of the new study. "The [same-sex attraction] behavior is part of the nervous system."
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Keywords: scientists, alter, sexual, orientation, worms, scientist, worm
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- NIH-funded scientists solve genetic code of parasitic worm that causes elephantiasis
09-20-2007 · EurekAlert!
More than 150 million people worldwide are infected with filarial parasites -- long, thread-like worms that can live for years inside the human body and cause severe, debilitating diseases such as elephantiasis. A team of researchers funded by the National Institute of Allergy and Infectious Diseases has revealed the genetic secrets of one of these parasites.
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- Further evidence that genetics has a role in determining sexual orientation in men
11-07-2007 · EurekAlert!
Is sexual orientation something people are born with -- like the color of their skin and eyes -- or a matter of choice? Canadian scientists have uncovered new evidence which shows genetics has a role to play in determining whether an individual is homosexual or heterosexual.
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- Scientists report new take on sexual signaling
05-08-2007 · EurekAlert!
In dangerous environments, females looking for a mate run great risks. Scientists from Seoul National University, in Korea, and the Smithsonian Tropical Research Institute in Panama present a new take on sexual signaling in the May issue of the Public Library of Science. The researchers report that females prefer a male sexual signal that helps them avoid their predators as they sequentially visit and assess potential mates.
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- Snoozing worms help Penn researchers explain the evolution of sleep
01-11-2008 · EurekAlert!
Researchers report that the round worm has a sleep-like state, joining most of the animal kingdom in displaying this physiology. This research has implications for explaining the evolution and purpose of sleep and sleep-like states in animals, as well as identifying drug targets for sleep disorders.
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- Is political orientation transmitted genetically?
02-05-2008 · EurekAlert!
As reported in this week's issue of "New Scientist" magazine, research by Rice University professor of political science John Alford indicates that what is on one's mind about politics may be influenced by how people are wired genetically.
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- Meat and two neutrons -- the key to a longer life
03-25-2007 · EurekAlert!
Eating meat enhanced with isotopes could add as much as 10 years to your life. Scientists have shown for the first time that food enriched with natural isotopes builds bodily components that are more resistant to the processes of aging. The concept has been demonstrated in worms and researchers hope that the same concept can help extend human life and reduce the risk of cancer and other diseases of ageing.
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- Scientists discover new life in the Antarctic deep sea
05-16-2007 · EurekAlert!
Scientists have found hundreds of new marine creatures in the vast, dark deep-sea surrounding Antarctica. Carnivorous sponges, free-swimming worms, crustaceans, and molluscs living in the Weddell Sea provide new insights into the evolution of ocean life.
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- Surprise in the organic orchard -- a healthier worm in the apple
09-28-2007 · EurekAlert!
Scientists discover how the codling moth rapidly developed virus resistance.
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- NYU scientists identify how development of different species uses same genes with distinct features
03-30-2007 · EurekAlert!
Biologists at New York University have identified how different species use common genes to control their early development and alter how these genes are used to accommodate their own features.
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- Planetary scientist says: Focus on Europa
02-11-2007 · EurekAlert!
Yogi Berra supposedly suggested that when you come to a fork in the road, you are supposed to take it.That's just what planetary scientists studying the rich data set from the Galileo Mission to the outer solar system are doing now. They're taking the fork.William B. McKinnon, Ph.D., professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, says the community suffers from an embarrassment of riches
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