Archive for the ‘Scientific American’ Category
Thursday, August 28th, 2008
Confounded by the inexhaustible array of choices available when you stroll through a supermarket today? Well, here's another one to add to the list: How would you like your environmental degradation? By land or by sea? Whether it's pesticides and fertilizers leaching out of croplands or marine fish stocks vanishing ...
Posted in Scientific American | No Comments »
Thursday, August 28th, 2008
Confounded by the inexhaustible array of choices available when you stroll through a supermarket today? Well, here's another one to add to the list: How would you like your environmental degradation? By land or by sea? Whether it's pesticides and fertilizers leaching out of croplands or marine fish stocks vanishing ...
Posted in Scientific American | No Comments »
Thursday, August 28th, 2008
Dear EarthTalk: Everyone knows we should recycle metal, glass and plastic cans and bottles, but what about all the lids, tops and caps? I see people recycling plastic bottles, for example, with their caps on, but I've always been told to thrown them out. Is that wrong? ...
Posted in Scientific American | No Comments »
Thursday, August 28th, 2008
Dear EarthTalk: Everyone knows we should recycle metal, glass and plastic cans and bottles, but what about all the lids, tops and caps? I see people recycling plastic bottles, for example, with their caps on, but I've always been told to thrown them out. Is that wrong? ...
Posted in Scientific American | No Comments »
Wednesday, August 27th, 2008
Dear EarthTalk: I am considering solar panels for my roof to provide heat for my hot water and possibly to do more than that. Are there some kinds of solar panels that are better than others? How do I find a knowledgeable installer? ...
Posted in Scientific American | No Comments »
Wednesday, August 27th, 2008
Dear EarthTalk: I am considering solar panels for my roof to provide heat for my hot water and possibly to do more than that. Are there some kinds of solar panels that are better than others? How do I find a knowledgeable installer? ...
Posted in Scientific American | No Comments »
Monday, August 25th, 2008
TOMSK, RUSSIA--Prisoners in western Siberia who contract tuberculosis (TB) get sent to a forbidding complex in the heart of this provincial city. Armed guards with dogs patrol the nearby streets. Barbed wire covers the top of the outer walls. Iron bars clang shut when anyone enters. TB ...
Posted in Scientific American | No Comments »
Monday, August 25th, 2008
TOMSK, RUSSIA--Prisoners in western Siberia who contract tuberculosis (TB) get sent to a forbidding complex in the heart of this provincial city. Armed guards with dogs patrol the nearby streets. Barbed wire covers the top of the outer walls. Iron bars clang shut when anyone enters. TB ...
Posted in Scientific American | No Comments »
Monday, August 25th, 2008
TOMSK, RUSSIA--After a half century of neglect, a search for better drugs and diagnostics to treat tuberculosis (TB) is underway. But progress is slow, and the breakthroughs that will help reduce the global burden of TB remain years away.The modern diagnostics lab under construction in this ...
Posted in Scientific American | No Comments »
Monday, August 25th, 2008
TOMSK, RUSSIA--After a half century of neglect, a search for better drugs and diagnostics to treat tuberculosis (TB) is underway. But progress is slow, and the breakthroughs that will help reduce the global burden of TB remain years away.The modern diagnostics lab under construction in this ...
Posted in Scientific American | No Comments »
Sunday, August 24th, 2008
In 1798 Thomas Robert Malthus famously predicted that short-term gains in living standards would inevitably be undermined as human population growth outstripped food production, and thereby drive living standards back toward subsistence. We were, he argued, condemned by the tendency of population to grow geometrically while food production would increase ...
Posted in Scientific American | No Comments »
Sunday, August 24th, 2008
In 1798 Thomas Robert Malthus famously predicted that short-term gains in living standards would inevitably be undermined as human population growth outstripped food production, and thereby drive living standards back toward subsistence. We were, he argued, condemned by the tendency of population to grow geometrically while food production would increase ...
Posted in Scientific American | No Comments »
Wednesday, August 20th, 2008
For $1 billion over the next 40 years, the U.S. could develop 100 gigawatts (a gigawatt equals one billion watts) of electricity generation that emits no air pollution and pumps out power to the grid even more reliably than coal-fired power plants, according to scientists at the Massachusetts Institute of ...
Posted in Scientific American | No Comments »
Wednesday, August 20th, 2008
For $1 billion over the next 40 years, the U.S. could develop 100 gigawatts (a gigawatt equals one billion watts) of electricity generation that emits no air pollution and pumps out power to the grid even more reliably than coal-fired power plants, according to scientists at the Massachusetts Institute of ...
Posted in Scientific American | No Comments »
Wednesday, August 20th, 2008
Mice, and most likely humans, have the ability to taste calcium--and most do not like it, according to new research presented today at the American Chemical Society's semiannual national meeting, held this week in Philadelphia. Scientists say the findings could explain why, according to the U.S. Department of Agriculture, 80 ...
Posted in Scientific American | No Comments »
