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Finding the work horse
Benchmark cyanobacterium sequenced could be cheap renewable energy source
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Unicellular nitrogen-fixing cyanobacteria |
A team of researchers headed by biologists at Washington University in St. Louis has sequenced the genome of a unique bacterium that manages two disparate operations — photosynthesis and nitrogen fixation — in one little cell during two distinct cycles daily.
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Social Security vs. Medicare
Despite all the attention paid to Social Security, it's a minor problem compared to Medicare, says leading health economist
"The problems with Social Security can be solved easily compared to those of Medicare," says Timothy McBride, leading health economist and associate dean for public health at Washington University in St. Louis. "Social Security can be fixed right now, although most people don't want to solve it with tax hikes. If passed today, a one-percentage point tax increase on both employers and employees could solve the Social Security problem for 75 years. If we don't want to raise taxes, another option is to cut benefits by a similar amount and we're done." McBride says that the tax increase needed to fix Medicare would be six or seven percentage points in the long run. "We cannot solve Medicare as easily. Medicare is in a serious crisis relative to Social Security," he says. McBride believes that as soon as the next President is elected "we will hear that we need to solve Medicare and Medicaid."
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Resolving the health insurance question
Medicare-for-All is the most practical option, says leading health insurance expert
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Bernstein |
Access to affordable health care has been a recurring topic in current political discussions. Merton C. Bernstein, leading health insurance expert and law professor emeritus at Washington University in St. Louis says that Medicare is the most practical platform for both extending coverage to everyone and taming medical cost inflation. He is available to discuss the candidates' health care proposals.
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Fannie, Freddie and me
Finance expert comments on the mortgage giants' federal bailout and the impact on taxpayers, shareholders, the mortgage market and the confidence of the American people
Now that the U.S. government has taken the controls of distressed mortgage giants Fannie Mae and Freddie Mac, American taxpayers facing billions of dollars in losses in home loans issued by the private sector are left wondering, "What does this mean for me?"
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Super bugs
New technique makes corn ethanol process more efficient
Researchers at Washington University in St. Louis are proposing to borrow a process used in breweries and wastewater treatment facilities to make corn ethanol more energy efficient. They are exploring the use of oxygen-less vats of microorganisms that naturally feed on organic waste produced from the ethanol fermentation process.
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First strings first
Case is made that high school physics should be taught first
Physics has a reputation for being the toughest of the high school science courses. But visual models of motion, acceleration, waves, projectiles and other principles help students of all ages build an understanding of physical science concepts. For Jack Wiegers, biology instructor, and Patrick Gibbons, Ph.D., professor of physics, these ideas are a key part of science for students from kindergarten through grade 12. The pair instructs four Science Outreach graduate courses in physical science designed for K-8 teachers. They've also worked with high school teachers in short workshops and in year-long professional learning communities.
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Unrest in Russia
Russia views U.S. missile defense in Poland as antagonistic, says expert
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James Wertsch |
Russia's leaders and its population tend to view current developments in Poland through the lens of a basic Russian national narrative that focuses on Russia as a target of invasion by foreign enemies, claims James V. Wertsch, an expert on post-Soviet democracy movements at Washington University in St. Louis. Wertsch was interviewed on this subject and on the Georgia/Russian conflict recently on KMOX radio. The interview is available here.
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Man the Hunted
New book further supports controversial theory
Despite popular theories to the contrary, early humans evolved not as aggressive hunters, but as prey of many predators. "Humans are no more born to be hunters than to be gardeners," argues Robert W. Sussman, Ph.D., professor of anthropology in Arts & Sciences, in the newly-updated version of the controversial book "Man the Hunted: Primates, Predators and Human Evolution."
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Be prepared
Seminar to address ways to lessen earthquake damage
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What should the Midwest do before and after a major earthquake? |
The earthquake that hit the lower Midwest on April 18 of this year was a hearty 5.2 on the Richter scale and got the attention of the St. Louis region. What if a larger quake — occurring either in the New Madrid Fault or Wabash Valley Fault — were to hit the region? How would we respond? To address these concerns, the Department of Mechanical, Aerospace and Structural Engineering at Washington University in St. Louis is presenting a series of seminars and workshops on the topic of reducing the damage that could occur if a strong earthquake strikes the area again.
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Rising costs
High food and fuel prices could affect school lunches this year
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Diekman |
With food and fuel costs far above what they were a year ago, school children can expect to see some changes in menu offerings this academic year, says a nutrition expert at Washington University in St. Louis.
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