Brightsurf Science News & Current Events

February 15, 2002
Pinatubo volcano research boosts case for human-caused global warming
Rutgers environmental scientist Alan Robock reports that research into the worldwide climatic impact of the 1991 Mount Pinatubo volcanic eruption during the 10 years since the eruption has strengthened the case for human causes of global warming.

Unusual virus identified in aborted calf
A group of viruses that can move from one animal species to another and cause a wide range of diseases has been found in the lungs of an aborted calf fetus.

Humans may not be as aggressive and competitive as thought
Is it human nature to be competitive? Aggressive? Violent? Popular and scientific literature says yes.

Origami helps scientists solve problems
Origami - the ancient Japanese tradition of paper folding has long been recognized as an art, but now origami is providing the answers to real world problems in mathematics, engineering, and astronomy proving that origami is more than just child's play.

Sky-is-the-limit challenges have strongest effect on the heart
Activities in which people are encouraged to do their best will raise their heart rate and blood pressure more than if they simply try to achieve a specific goal, suggests new research.

Some domestic abusers may have faulty mechanism for controlling aggression
Some perpetrators of domestic violence may suffer from a nervous system irregularity that makes it harder for them to control emotions and aggression, suggest the results of a study.

AAAS airs McClintock and Franklin discrimination legends
Geneticist Barbara McClintock awoke to learn she had become a Nobel laureate in physiology or medicine.

Habitually sleeping more than 8 hours, need for daytime nap signal increased risk of death from stroke
Daytime nappers and people who routinely sleep more than eight hours a night have a greater chance of dying from stroke than those with more standard sleep habits, a study by stroke researchers at the University at Buffalo has shown.

Origins of 'modern' behavior might be linked to population pressures
Some unique behaviors associated with modern humans--including a shift in diet and the earliest evidence of personal ornaments like beads--may be linked to an increase in human population density between 40 and 50 thousand years ago, Mary C.

PET tracer detects early prostate cancer
A new radiotracer for PET may help doctors more accurately diagnose prostate cancer in the early stages of disease.

Rational imitation in preverbal infants
A new study shows that although 14-month-olds infants can imitate a novel means action modelled to them, they do so only if they consider the action as the most rational alternative to the goal available.

Corporations and environmentalists can be allies to reduce industry's ecological footprint
Corporations can and should be instrumental in protecting global biodiversity according to a new book entitled, Footprints in the Jungle: Natural Resource Industries, Infrastructures, and Biodiversity Conservation.

The new biology of rocks: 'Are there medical implications of geomicrobiology?'
If microbial life is found on Mars, will it be native to the planet or something carried there from Earth?

New instrument package to expand space telescope's vision
NASA's fourth servicing mission for the Hubble Space Telescope, scheduled to lift off Feb.

Still waters? 'Clear-cutting' robs the deep-sea of ancient treasures
Deep beneath the Earth's oceans,

Hemophilia trials, other studies may herald successful gene therapies for human diseases
Researchers are advancing on the goal of successfully using gene therapy to treat the crippling bleeding disorder hemophilia.

New solutions needed for extinction prevention and for sustainable management of marine resources
Overfishing and overuse of coastal regions have severely damaged marine habitats.

Researchers create simulation of chemical/biological release in Salt Lake City as precautionary measure
Researchers at the Lawrence Livermore National Laboratory have created a three-dimensional simulation of how a biological or chemical release could spread in and around Salt Lake City.

Language change and cultural continuity: communicating after 200 years in space
Will space travelers speak a language we can understand when they return from a 200-year journey?

Preliminary research suggests potential nitric oxide link to cocoa consumption
The latest research suggests that consumption of a cocoa rich in flavanols, a sub-group of naturally occurring flavonoids, may be associated with the modulation of nitric oxide.

Information technology provides biologists with new tools for biodiversity conservation
Information Technology (IT) is spurring a revolution in biodiversity research that can deliver a more complete view of the world and help conserve species.

Rethinking the role of affiliation and aggression in primate groups
One of the fundamental assumptions about primates is under attack.

Snow science, not sport, in the rockies
This month, dozens of scientists on the ground, in the air and using satellite observations will begin a multi-year experiment to study winter snow packs on the Colorado side of the Rocky Mountains.
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