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Two Americans in West Africa have ebola. Why aren't they coming home?

The current ebola outbreak is the largest in history, with 672 dead in Guinea, Liberia, and Sierra Leone. At least two Americans have now been infected with the disease: Dr. Kent Brantly of Texas and Nancy Writebol of North Carolina, who both worked in an ebola clinic in Monrovia, Liberia. That's also where they're being treated, with no plans to evacuate them to more developed countries.

It's...

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Women's brains got a huge boost from better living conditions

For psychologists, there’s no question that human cognition — the way we process information — has dramatically improved over the last century thanks to improvements in nutrition, health care, sanitation, and social equality. But what if improvements in society over time — the same kinds of improvements that increase life expectancies and lower infant mortality rates — benefitted about half the population more than it did the other? Those are the findings of a new study, published today in Proceedings of the National Academy of Sciences, which stipulates that women’s cognitive abilities benefit far more from improvements in social conditions than men's do. And, in some cases, women surpass men altogether.

"Our result show that women in these European countries have a slight advantage" Agneta Herlitz, psychologist

Feeling powerful increases how much time you think you have

A new study titled "Power and Time Availability" by the University of California Berkeley has found that the more power you possess, the more time you feel like you have at your disposal. The study asked a few hundred people, some primed as "bosses," and others as "employees," to fill out surveys about how much time they felt they had to complete a specific set of brain teasers. They found that the "bosses" often thought they could pack more tasks in to a finite amount of time,


HPV vaccination rates in the US are still 'unacceptably low,' says CDC

The number of teenagers who were vaccinated for HPV last year was still "unacceptably low," according to a report released today by the CDC. Despite a slight increase in vaccination rates over previous years, only 35 percent of adolescent boys and 57 percent of adolescent girls received one or more doses of the HPV vaccine by their 13th birthday in 2013. This, the agency says, can mainly be attributed to "knowledge gaps among parents" and a...

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A new fossil suggests 'all dinosaurs' may have had feathers

You've never seen a dinosaur, naturally, but you probably have a pretty good idea of what they look like. We've seen the same look over and over, across dozens of movies, books and museums: there's the balanced tail, the lizard-shaped head and, most of all, dark and tough scales.

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