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Body & Brain

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MRI images of brains

Brain scan studies of large groups of people can tell us things about what the “average” brain looks like. But when the sample itself isn’t average, are the brains?

composite image of various animals

BRAIN GAME  Despite being relatively large, a brown bear’s brain is sorely lacking in nerve cells, while a raccoon’s cat-sized brain is packed full, finds a new study that tallies these neurons in carnivores.

Fracking well

KEEP YOUR DISTANCE Babies born to moms living within one kilometer of fracking sites are more likely to be underweight than those born to moms living three kilometers or farther away, a new study suggests.

Body & Brain

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