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We may have evolved to make love, not war, but we ALSO evolved to use our fists!

Scientists think that human hands evolved not only for the manual dexterity needed to use tools, play a violin or paint a work of art, but so men could make fists and fight. Compared with apes, humans have shorter palms and fingers and longer, stronger, flexible thumbs–features that have been long thought to have evolved so our ancestors had the manual dexterity to make and use tools.
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Congress is showing a frustrating inability to figure out how to deal with federal spending cuts, but their behavior may not be so incomprehensible if you look at them as a bunch of people with bad teeth who need dental work.
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Sometimes we hate mice, but sometimes we love them.

You can now own a mouse with an immune system that’s identical to yours. Why would you want to do that? So that drugs and medical therapies can be tested on the mouse first, before they’re used on you. Some researchers call them "avatars, like the virtual characters in movies and video games.

While these "mouse models" are mostly used for general research, companies are beginning to personalize them to help with an individual patient’s medical treatment.

One problem: This avatar can cost tens of thousands of dollars and it won’t be covered by insurance.
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