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Caltech scientists find emotion-like behaviors, regulated by dopamine, in fruit flies

PASADENA, Calif. -- Scientists at the California Institute of Technology (Caltech) have uncovered evidence of a primitive emotion-like behavior in the fruit fly, Drosophila melanogaster.

People work harder when expecting a future challenging task

Consumers will work harder on a task if they're expecting to have to do something difficult at a later time, according to a new study in the Journal of Consumer Research.

When East meets West: Why consumers turn to alternative medicine

Alternative health remedies are increasingly important in the health care marketplace. A new study in the Journal of Consumer Research explores how consumers choose among the many available remedies.

New aluminum-water rocket propellant promising for future space missions

WEST LAFAYETTE, Ind. - Researchers are developing a new type of rocket propellant made of a frozen mixture of water and "nanoscale aluminum" powder that is more environmentally friendly than conventional propellants and could be manufactured on the moon, Mars and other water-bearing bodies.

Swift makes best-ever ultraviolet portrait of Andromeda Galaxy

GREENBELT, Md. -- In a break from its usual task of searching for distant cosmic explosions, NASA's Swift satellite has acquired the highest-resolution view of a neighboring spiral galaxy ever attained in the ultraviolet. The galaxy, known as M31 in the constellation Andromeda, is the largest and closest spiral galaxy to our own.

Texas A&M-Galveston professor discovers new species of marine life

Two tiny worms much smaller than a rice grain and a strange crustacean that has no eyes and poisonous fangs are among several new species of marine life discovered in an underwater cave by a Texas A&M University at Galveston researcher, who has had one of the new species named after him.

UCSB scientists propose Antarctic location for 'missing' ice sheet

(Santa Barbara, Calif.) -- -- New research by scientists at UC Santa Barbara indicates a possible Antarctic location for ice that seemed to be missing at a key point in climate history 34 million years ago.

Scientists discover new species of crustacean on Lanzarote

They gracefully swim through the complete darkness of submarine caves, constantly on the lookout for prey. Instead of eyes, predatory crustaceans of the class Remipedia rely on long antennae which search the lightless void in all directions. Like some type of science fiction monster, their head is equipped with powerful prehensile limbs and poisonous fangs.

Vanquishing infinity

Quantum mechanics and Einstein's theory of general relativity are both extremely accurate theories of how the universe works, but all attempts to combine the two into a unified theory have ended in failure.

Hurricane seasons are more active

For many Americans who live on the Atlantic coast, Andrew, Ivan and Katrina are more than just names--they are reminders of the devastating impact of cyclonic activity in the region during hurricane season. If it seems like hurricane seasons have been more active in recent years, you're on to something.

Certain behavioral traits and feeding practices may increase risk for weight gain in children

Cincinnati, OH, August 10, 2009--Many clinicians and public health officials view parental involvement as an essential part of solving the current childhood obesity epidemic. However, it's important for parents to use the right approach when trying to combat childhood obesity. Restrictive feeding practices, or forbidding certain foods, may not always be the best solution.

Psychological factors help explain slow reaction to global warming, says APA task force

TORONTO -- While most Americans think climate change is an important issue, they don't see it as an immediate threat, so getting people to "go green" requires policymakers, scientists and marketers to look at psychological barriers to change and what leads people to action, according to a task force of the American Psychological Association.

Corn yield stability varies with rotations, fertility

MADISON, WI, July 20, 2009 -- Understanding temporal variability in crop yields has implications for sustainable crop production, particularly since greater fluxes in crop yields are projected with global climate change.

New method may accelerate drug discovery for difficult diseases like Parkinson's

CAMBRIDGE, Mass. (July 13, 2009) -- Whitehead Institute scientists have developed a rapid, inexpensive drug-screening method that could be used to target diseases that until now have stymied drug developers, such as Parkinson's disease. This technique uses baker's yeast to synthesize and screen the molecules, cutting target discovery and preliminary testing time to a matter of weeks.

A tiny frozen microbe may hold clues to extraterrestrial life

A novel bacterium that has been trapped more than three kilometres under glacial ice in Greenland for over 120 000 years, may hold clues as to what life forms might exist on other planets.



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