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Couples fight over lots of things, including the TV news. Does she want to change the channel when stories about war and famine, while he’s not bothered by them? It turns out that bad news articles in the media increase women’s sensitivity to stressful situations, but do not have a similar effect on men.

The women who participated in the study that revealed this also had a clearer recollection of the information they had learned. Researcher Marie-France Marin says, "It’s difficult to avoid the news, considering the multitude of news sources out there. And what if all that news was bad for us? It certainly looks like that could be the case."
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Does Nature think the Earth is overpopulated? Because a "natural" form of birth control is going on right now: A new study of 26,000 men shows that between 1989 and 2005, average sperm counts fell by a third, increasing their risk of infertility.

The decline occurred progressively throughout the 17-year period, meaning that it could still be going on. In fact, in 2011, the US birth rate was the lowest ever recorded, led by a large decrease in births to immigrant women.

Other research over the last 20 years has shown that sperm counts are declining in many countries. The reason isn’t known, but possible explanations have ranged from tight underwear to estrogenic toxins in the environment.
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