Study finds silver fillings not harmful
• APSilver fillings used to patch cavities aren't dangerous even though they expose dental patients to the toxic metal mercury, federal health researchers said.
Contents Pages by Subject
Science, Medicine and Technology
Fossils Suggest Chaotic Recovery from Mass Extinction
• LiveScience.comInsect bite marks in ancient leaf fossils are shedding new light on how nature bounced back after an asteroid impact killed off the dinosaurs and much of life on Earth 65 million years ago. Plant and insect biodiversity is strongly linked today: W
Scientists report baldness breakthrough
• AFPIn a finding that could help treat an inherited form of baldness, a research team in Manchester claims to have discovered a protein "code" that instructs cells to sprout hair.
Deadly TB Strain Found in South Africa
• APA new, deadly strain of tuberculosis has killed 52 of 53 people infected in the last year in South Africa, the World Health Organization said, calling for improved measures to treat and diagnose the virus. [note: TB is caused by a bacterium, not a vi
A Fruit drink a day keeps the brain working
• GuardianDrinking fruit and vegetable juice on a regular basis can dramatically reduce the chances of developing Alzheimer's, according to a study appearing today in the American Journal of Medicine. Researchers in Japan and the US
Brain Gene May Help Make Us Human
• LiveScience.comHumans have more copies of a possibly important brain gene in their genomes than other apes. The gene is implicated in the function of the neocortex, the region of the brain that, in humans, is responsible for consciousness, language, and other highe
Small Prehistoric Whale Was Vicious Hunter
• LiveScience.comPaleontologists have uncovered a 25-million-year-old whale fossil with a monstrous set of teeth and enormous eyes on the coast of Australia. The discovery has researchers rethinking whales’ evolutionary history.
Microscopic Motor Runs on Microbes
• LiveScience.comScientists have yoked bacteria to power rotary motors, the first microscopic mechanical devices to successfully incorporate living microbes together with inorganic parts. "In far future plans, we would like to make micro-robots driven by biol
The Tongue Map: Tasteless Myth Debunked
• LiveScience.comThe notion that the tongue is mapped into four areas—sweet, sour, salty and bitter—is wrong. There are five basic tastes identified so far, and the entire tongue can sense all of these tastes more or less equally.
Plane Flies on Power of Five Light Bulbs
• LiveScience.comThe largest unmanned aircraft to rely solely on hydrogen fuel has flown successfully during tests. The plane, with a 22-foot-wingspan, is powered by a fuel-cell system that generates 500-watts—equal to five bright light bulbs.
Rats Born to Mice in Bizarre Lab Work
• LiveScience.comA decade ago, scientists successfully developed sperm in one animal that had come from cells in another. Researchers began by growing rat sperm in mice, and proceeded to foster sperm from hamsters, rabbits, pigs, bulls and humans in mice as well.
The manatee as Einstein
• NY TimesThe endangered Florida manatee is as unusual in its physiology, sensory capabilities and brain organization as in its external appearance. Far from being slow learners, manatees, it turns out, are as adept at experimental tasks as dolphins
Science, Medicine & Technology
• www.FreedomsPhoenix.comJust one of our favorite categories of over 120 separate categories on our "By Subject Page"
The Day The Earth Fell Over
• LiveScience.comEarth might have spun on its side to keep its balance in the distant past, and could do so again, scientists reported today. Alaska was suddenly at the equator, the thinking goes. Scientists already know that the North Pole wanders over time.
DNA database can flag suspects through relatives
• USA TodayThe FBI has begun permitting police investigators to pursue some criminal suspects by tracking the DNA of close relatives who have been convicted of other offenses. Such "partial-match searches" could greatly increase the number of cases so
Tom Cruise takes on 'Big Pharma' and the winner will be.....
• www.newstarget.comCruise called the field of psychiatry "pseudoscience" and criticized Adderall and Ritalin, the prescription drugs prescribed for ADHD and hyperactivity in children, and also called actress Brooke Shields' decision to medically treat dep
Scientist harvest stem cells without destroying embryo
• ForbesIn what could prove to be a medical milestone, researchers have succeeded in generating new lines of human embryonic stem cells without destroying the embryo. The breakthrough may enable scientists to circumvent the ban on federal
World's fastest jaws
• LiveScience.com (video links)Scientists have discovered the fastest bite in the world, one so explosive it can be used to send the Latin American ant that performs it flying through the air to escape predators. These powerful jaws could serve as inspirations for the propulsio
Venom Runs Thick in Fish Families, Researchers Learn
• NY TimesAlthough previous researchers estimated that there were about 200 species of venomous fish ... a curator at the museum, recently published a study suggesting at least 1,200. Many carry their venom in spines and barbs, some in fangs.
Are you sure you want to remove that?
• ReutersAn Indian businessman born with two penises wants one of them removed surgically as he wants to marry and lead a normal sexual life, a newspaper report said.
FDA approves viruses for treating food
• APA mix of bacteria-killing viruses can be safely sprayed on cold cuts, hot dogs and sausages to combat common microbes that kill hundreds of people a year, officials said in granting the first-ever approval of viruses as a food additive.
More clues to human individuality are found
• CNETIn simpler terms, they've shown 400,000 different naturally occuring variations in genetic code, or so-called polymorphisms, which can help explain idiosyncrasies in humans. "That's where all this genetic research is headed
Possible key human evolution genes identified
• ReutersThey could be the missing links of human genetic evolution -- areas of human DNA that changed dramatically after the evolutionary division from chimpanzees, though they had remained almost unchanged for millennia before.
Stem cells used to repair retinas
• OPBUniversity of Washington researchers say they've used stem cells to help repair mouse retinas in the lab. That could help people with macular degeneration. Thomas Reh is professor of biological structure and lead researcher in the study.
Walking on Fire: Don't try this in polyester
• LiveScience.comPhysics professor David Willey doesn't use chalk and formulas to spark his students' interest in thermodynamics. He walks on fire. "Nothing gets a student's attention like the possibility that I might kill myself," said Willey
Ties That Bind Atoms Weaker Than Thought
• LiveScience.comA fundamental force that holds electrons inside atoms and governs how charged particles and light interact is a little weaker than previously thought, scientists reported today.
Bringing Back the Woolly Mammoth - Maybe
• APDescendants of extinct mammals like the giant woolly mammoth might one day walk the Earth again. It isn't exactly Jurassic Park, but Japanese researchers are looking at the possibility of using sperm from frozen animals to inseminate living relat
Sneaky Parasite Filmed While Infecting Blood Cells
• LiveScience.comTreating malaria and other diseases caused by parasites requires a good understanding of the parasite. A new video of the malaria parasite at work should help researchers develop better treatments. The malaria parasites, Plasmodium falciparum and
New test predicts if lung cancer will spread
• ReutersResearchers say they have developed a test that can predict with near certainty whether the most common form of lung cancer will return after surgery.
Look Ma, no legs! New robot
• LiveScience.comA new type of robot balances on a ball rather than relying on legs or wheels. The Ballbot, as it is called, can move in tight spots, making it potentially more useful than other designs for some uses.
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