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Global Extinction: Gradual Doom as Bad as Abrupt

By Guest PostFebruary 8, 2012Environment, Sciencebrooks ellwood, canadian arctic, carbon dioxide, charles henderson, coal deposit, dead zone, earth, ellesmere island, extinction, factor, fossil, geologic history, geology, global extinction, greenhouse, greenhouse gas, h richard lane, harry rowe, indian ocean, katherine freeman, marine life, mass extinction, national science foundation, ocean, permian period, permian triassic boundary, sedimentary rock, siberian traps, siberian volcanic activity, south china, steven bates, tethys, the great dying, thomas algeo, timothy lyons, united states, university of calgary, university of cincinnati, volcanic deposit, volcanic rock, volcanism in siberia, warming, west blind fiord

*In “The Great Dying” 250 million years ago, the end came slowly*

The deadliest mass extinction of all took a long time to kill 90 percent of Earth’s marine life–and it killed in stages–according to a newly published report.

It shows that mass extinctions need not be sudden events.

Thomas Algeo, a geologist at the University of Cincinnati, and 13 colleagues have produced a high-resolution look at the geology of a Permian-Triassic boundary section on Ellesmere Island in the Canadian Arctic. (more…)

UCLA Researchers Identify Peptide That Inhibits Replication of Hepatitis C Virus

By Guest PostFebruary 8, 2012Scienceantiviral, block replication, cell permeable peptide, cellular factor, cellular protein, heat shock proteins, hepatitis, hepatitis c therapy, hepatitis c virus, hsps, interferon, mass spectrometry, natural compound, non structural protein 5a, ns5a, peptide, protein, quercetin, ribavirin, samuel french, synthesis, tissue culture, viral replication, viral translation level, virus infection

Researchers from UCLA’s Jonsson Comprehensive Cancer Center have identified a cell-permeable peptide that inhibits a hepatitis C virus protein and blocks the viral replication that can lead to liver cancer and cirrhosis.

The finding by Dr. Samuel French, a UCLA assistant professor of pathology and senior author of the research, builds on previous work by French’s laboratory that identified two cellular proteins that are important factors in hepatitis C virus infection. (more…)

Consumers Willing to Buy Sustainable U.S. Cotton, MU Researchers Find

By Guest PostFebruary 8, 2012Economyapparel industry, cotton apparel, cotton farmers, sustainable cotton, sustainable practices, united states consumers

Studies show importance of transparency in U.S. apparel production

COLUMBIA, Mo. – As the interest in environmentally responsible business practices grows globally, researchers are interested in how that interest translates into consumer sales. (more…)

Yahoo! Releases Chairman’s Update for Shareholders

By Guest PostFebruary 7, 2012Technologychairman of yahoo, shareholder value, shareholders meeting, yahoo board, yahoo directors, yahoo shareholder

SUNNYVALE, Calif. — Yahoo! Inc., the premier digital media company, today released the following shareholder update from its Chairman Roy Bostock. (more…)

Redder Ladybirds More Deadly, Say Scientists

By Guest PostFebruary 7, 2012Natureavian predator, ladybird colour, ladybirds, pigment levels, pigmentation, warning signals

A ladybird’s colour indicates how well-fed and how toxic it is, according to an international team of scientists. (more…)

Americans Overestimate Political Polarization, According To New CU-Boulder Research

By Guest PostFebruary 7, 20122 commentsPoliticsamericans, boulder, charles judd, david sherman, degree of polarization, democrat, election, john chambers, leaf van boven, misconception, overestimate, polarization, political polarization, republican, san diego, university of colorado, university of florida, voting behavior

Many Americans overestimate the degree of polarization between Democrats and Republicans, and this misconception is associated with citizens’ voting behavior and their involvement in political activities, according to new findings from the University of Colorado Boulder.

“It is clear that Americans see themselves as very sharply polarized,” said Professor Leaf Van Boven, who led the research efforts. “And that the extent of perceived polarization dramatically overstates the actual degree of polarization.” (more…)

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