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This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? There have been tremendous declines in fertility. The key has been the prevention of unwanted births, really around the globe. John Casterline directs the Initiative in

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Do you come from a country that has let's say a history of environmental disaster or conquests, and your culture probably tight that has strong social norms and doesn't tolerate much deviance from this norms, and then your culture probably autocratic

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This is Scientific Americans 60-SecondScience. Im John Matson, got a minute? Say you need a diamond. You could go downto the jeweler, or you could put some carbon deep underground and let it sitfor a couple billion years. Or you could hop in a starsh

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This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i

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Theres been an unexpected development in our understanding of drug resistance in bacteria. The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a gen

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This is scientific American sixty seconds sicience. I am Cynthia Graber.That's all just take a minute.There is an easy way to acarch people to take stairs to stand elevator put a sign to remind them to. Study have found that science works but those e

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1. It must be pointed out that it is one of our basic State policies to control population growth while raising the quality of the population. 2. It is (has been) estimated that the world’s populati

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THIS IS AMERICA - A Nation of Immigrants, Divided Over the Subject of Immigration Debate centers on millions of illegal immigrants in the country. The U.S. Congress has failed to agree on a reform plan, so states are passing their own laws. Transcri

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