Your fetal cells are most likely still living inside your mother, even if she had you several decades ago

It turns out that the bonds between a mother and her child are not merely psychological or even genetic: During pregnancy, the mother and the fetus literally exchange cells, leaving identifiable bits and pieces of the child inside the mother – and vice versa – for decades after birth.

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People with tattoos out-drink people without them

Image: cultureshlock/flickr

Previous studies have found a link between body tattoos or piercings and risky behavior. However, these studies only examined survey data but not real behavior. In a new study published in Alcoholism: Clinical & Experimental Research, French researchers approached people leaving bars and asked if they’d be willing to take a breathalyzer; they also asked if the respondents had tattoos or piercings.

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You live in the past

About 80 milliseconds in the past, to be precise. Use one hand to touch your nose, and the other to touch one of your feet, at exactly the same time. You will experience them as simultaneous acts. But that’s mysterious — clearly it takes more time for the signal to travel up your nerves from your feet to your brain than from your nose.

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