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Body & Brain

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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.

researchers measuring wheat

CROP FUTURES  Experiments using circles of white pipes blowing extra carbon dioxide over crops suggest that certain nutrients may dwindle in crops grown in a carbon-enhanced future atmosphere. Here, researchers in Arizona measure the growth of wheat.

Body & Brain

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