Old antibiotic is finally synthesized
Nov 27, 2006 |
4.2 / 5 (13) |
0
The need for new antibiotics to combat multi-drug resistant bacteria has led U.S. chemists to the first synthesis of a potentially valuable antibiotic.
Use folic acid to cut heart disease, say experts
Nov 27, 2006 |
4.2 / 5 (12) |
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The scientific evidence is strong enough to justify using folic acid as a cheap and simple way of reducing heart disease and strokes, say researchers in this week’s BMJ.
Lipid Nanoparticles Enhance Antitumor Vaccine Activity
Nanotechnology / Bio & Medicine
Nov 27, 2006 |
3.5 / 5 (14) |
0
Positively charged lipid-based nanoparticles are known to trigger strong immune responses when injected into the body, which can be problematic when attempting to use this type of nanoparticle as a drug delivery vehicle. ...
Fragmentation rapidly erodes Amazonian biodiversity
Space & Earth / Earth Sciences
Nov 27, 2006 |
4.1 / 5 (12) |
0
An international research team has discovered that forest fragmentation poses an even greater threat to Amazonian biodiversity than previously thought. Their findings, to be published next week (27 November – 1 December) ...
Scientists solve mystery of how largest cellular motor protein powers movement
Biology /
Nov 27, 2006 |
4.6 / 5 (10) |
0
Scientists now understand how an important protein converts chemical energy to mechanical force, thus powering the process of cell division, thanks to a new structural model by University of North Carolina ...
Lessons learned from drought deaths 40,000 years ago
Biology /
Nov 27, 2006 |
4 / 5 (11) |
0
Drought-stricken Australia should heed a warning from a new study that shows a series of massive droughts killed giant kangaroos and other "megafauna" in south-east Queensland 40,000 years ago, according to ...
Radiologists attempt to solve mystery of Tut's demise
Other Sciences / Archaeology & Fossils
Nov 27, 2006 |
4.8 / 5 (8) |
0
Egyptian radiologists who performed the first-ever computed tomography (CT) evaluation of King Tutankhamun's mummy believe they have solved the mystery of how the ancient pharaoh died. The CT images and results of their study ...
Ecstasy can harm the brains of first-time users
Nov 27, 2006 |
3.2 / 5 (12) |
1
Researchers have discovered that even a small amount of MDMA, better known as ecstasy, can be harmful to the brain, according to the first study to look at the neurotoxic effects of low doses of the recreational drug in new ...
Study of language use in children suggests sex influences how brain processes words
Nov 27, 2006 |
4.2 / 5 (9) |
0
Boys and girls tend to use different parts of their brains to process some basic aspects of grammar, according to the first study of its kind, suggesting that sex is an important factor in the acquisition and use of language.
Rote learning improves memory in seniors
Nov 27, 2006 |
4.3 / 5 (8) |
0
A new study offers older adults a simple way to combat memory loss: memorization. Researchers found that seniors who engaged in an intensive period of rote learning followed by an equally long rest period exhibited improved ...
Rising Sea Greater Danger to Louisiana than Sinking Land
Space & Earth / Earth Sciences
Nov 27, 2006 |
3.8 / 5 (9) |
0
Rising sea levels, fueled by melting polar ice caps, may well pose a greater threat to Louisiana than the sinking of its land, a new Tulane University study says.
Caffeine abuse becoming health problem
Nov 27, 2006 |
2.3 / 5 (13) |
0
Use of caffeine as a stimulant is becoming a problem among U.S. young people who can't get enough of it, Northwestern University researchers say.
Vitamin E crucial to plants' survival of the cold, study finds
Biology /
Nov 27, 2006 |
4 / 5 (7) |
0
Vitamin E does not play the same role in plants as it does in animals and humans, scientists from the University of Toronto and Michigan State University have found. Rather than protect fats in membranes from certain kinds ...
236,000 birds killed in flu outbreak
Nov 27, 2006 |
3.7 / 5 (7) |
0
South Korea slaughtered 236,000 chickens and ducks after tests confirmed an outbreak of a highly virulent type of bird flu, the government said.
Could Global Warming Be Crushing Blow to Crocodiles?
Nov 27, 2006 |
2.3 / 5 (11) |
0
With global temperatures generally on the rise, crocodiles may have a harder time finding mates. For crocodiles, gender is not determined genetically, but rather by embryo temperature during incubation, notes ...
