Science round-up

There are plenty of new science reports, here is a sample:

1. The Americas may have been settled by Pacific navigators in early times.

2. Global suicide takes more lives than war and murder put together.

3. Medieval man was almost as tall as modern American man, and the eighteenth century was a low period for height in the Western world.

4. Being out of shape is a better predictor of heart disease than is being overweight.

Thanks to for the pointer on the third item.


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