BIG Problems – Page 134

Canada’s Restrictions on Scientists’ Speech Raise Concerns
By the Editor on February 25, 2012
Government scientists in Canada are facing growing restrictions on their ability to speak directly to the public and the...
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Superbug Bred on Farms
By the Editor on February 25, 2012
It’s long been suspected that administering large amounts of antibiotics to livestock promotes antibiotic resistance. Now a new study...
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Were the Mayans Done in By Drought?
By the Editor on February 24, 2012
For more than 500 years, the Maya kings ruled the New World’s richest and most advanced civilization. But then,...
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Climate Change Drove Evolution of Earliest Horses
By the Editor on February 24, 2012
Back in the day of the first mammals, horses started out the size of house cats, weighing about 8...
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Protein Linked to Longevity in Mammals
By the Editor on February 23, 2012
At last, a member of the celebrated sirtuin family of proteins has been shown to extend lifespan in mammals...
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Increasingly, Children’s Books Are Where the Wild Things Aren’t
By the Editor on February 23, 2012
A new study has found that over the last several decades, nature has increasingly taken a back seat in...
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Male Y Chromosome Extinction Theory Challenged
By the Editor on February 23, 2012
Men may not become extinct after all, according to a new study. Previous research has suggested the Y sex...
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Religious Freedom and the Conservative Quest for Absolute Truth
By the Editor on February 22, 2012
When the Obama administration declared that employees of Catholic institutions must have contraception covered in their health plans (before...
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AAAS President Says Big Business ‘Driving Science Into a Dark Era’
By the Editor on February 21, 2012
Most scientists, on achieving high office, keep their public remarks to the bland and reassuring, but Nina Fedoroff, the...
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Lab-Grown Meat Is First Step to Artificial Hamburger
By the Editor on February 21, 2012
Dutch scientists have used stem cells to create strips of muscle tissue with the aim of producing the first...
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