World / Sciences
Aging Not Slowed By Antioxidants, Study Rejects 50 Year Old Theory
01.12.2008 14:12
medicalnewstoday.com
Research led by scientists in the UK has upturned a 50-year old theory that maintains antioxidants stop or slow aging by counteracting the oxidative stress on cells caused by free radicals, a finding that will undermine claims made by beauty and diet products that promote the anti-aging properties of antioxidants.
World
Biology
Observatory: Turtles on the Half Shell: New Fossils Show an Evolutionary Step
01.12.2008 14:08
nytimes.com
A new fossil discovery provides clues as to how turtles came to have shells.
World
Sciences
Observatory: A New Understanding of Iceberg Formation May Aid Climate Studies
01.12.2008 14:08
nytimes.com
The rate at which icebergs break is primarily a function of the rate at which an ice shelf spreads, a new study suggests.
World
Sciences
Observatory: A Ball on the Seafloor Casts Doubt on Views of How Life Diversified
01.12.2008 14:08
nytimes.com
A rolling amoeba of the genus Gromia casts doubt on scientists’ understanding of how life on Earth diversified.
World
Sciences
Three Historic Sites to Celebrate Christmas
01.12.2008 08:15
wisconsinhistory.org
Christmas festivities at three of the Wisconsin Historical Society's historic sites will shed light on how 19th-century Wisconsintes celebrated the holiday in three regions of the state during different decades. Old World Wisconsin, near Eagle in Waukesha County, Villa Louis,...
Wisconsin
History
Endangered sea turtles killed by cold snap
01.12.2008 06:28
usatoday.com
An unusually early, long cold snap and lashing winds have caused more Kemp's Ridley sea turtles, the most endangered sea turtles in the world, to wash ashore dead, says Tony LaCasse, spokesman for the New England Aquarium in Boston.
USA
Astronomy
Space shuttle lands in Calif.
01.12.2008 06:28
usatoday.com
Dangerously high wind and a stormy sky prevented space shuttle Endeavour from returning to its home base in Florida on Sunday, and NASA ordered the astronauts to take a detour and land in sunny California.
USA
Astronomy
Food crunch opens doors to genetically engineered crops
01.12.2008 06:28
usatoday.com
With food demand forecast to increase by half by 2030, the incentive to use genetic engineering to boost harvests and protect precious crops from insects and other damage has never been greater.
USA
Astronomy
Shuttle's astronauts await permission to land
01.12.2008 06:28
usatoday.com
Their work in orbit accomplished, space shuttle Endeavour's astronauts got the green light Saturday to return to Earth, but were warned "pretty iffy" weather at the main landing site could send them across the country or keep them up an extra day.
USA
Astronomy
Astronauts share freeze-dried Thanksgiving feast
01.12.2008 06:28
usatoday.com
With hugs and handshakes, shuttle Endeavour's seven astronauts bid farewell to the international space station crew after they ate a Thanksgiving holiday meal together of turkey, cornbread dressing and candied yams.
USA
Astronomy
Plumes spewing from Saturn moon may contain water
01.12.2008 06:28
usatoday.com
Astronomers looking at the spectacular supersonic plumes of gas and dust shooting off one of Saturn's moons say there are strong hints of liquid water, a key building block of life.
USA
Astronomy
Thanksgiving sky: Jupiter, Venus, moon together
01.12.2008 06:28
usatoday.com
It's not just families that are getting together this Thanksgiving week. The three brightest objects in the night sky Venus, Jupiter and a crescent moon will crowd around each other for an unusual group shot.
USA
Astronomy
Marine archaeologists find remains of slave ship
01.12.2008 06:28
usatoday.com
Marine archaeologists have found the remains of a slave ship wrecked off the Turks and Caicos Islands in 1841, an accident that set free the ancestors of many current residents of those islands. Some 192 Africans survived the sinking of the Spanish ship Trouvadore off the British-ruled islands, where the slave trade was banned.
USA
Astronomy
MicroRNA Blocker Prevented Heart Failure In Mice
01.12.2008 06:11
medicalnewstoday.com
An international team of scientists from universities and private industry has discovered that a tiny scrap of genetic material called microRNA-21 (miR-21) regulates gene signalling pathways that are active in heart failure and a new experimental drug was able to silence these pathways and prevent heart failure in mice.
World
Biology
Research Advance May Lead To New Ways To Attack Latent TB And Other Bacteria
01.12.2008 04:07
medicalnewstoday.com
An international team of biochemists has discovered how an experimental drug unleashes its destructive force inside the bacteria that cause tuberculosis (TB). The finding could help scientists develop ways to treat dormant TB infections, and suggests a strategy for drug development against other bacteria as well. A report describing the research, led by Clifton E. Barry, III, Ph.D.
World
Biology
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