GRID3 project aims to put everyone on the map

In the U.S., our Constitution mandates that a census takes place every 10 years. Other countries tend to have similar standards. Yet some parts of the world have not conducted a national census in decades. Somalia hasn't ...

Study explores the possible benefits of cooperative polyandry

Acorn Woodpeckers live in close-knit family groups and have one of the most complex breeding systems of any bird in the world. In about 20 percent of family groups, up to 3 related females may lay eggs in the same nest. They ...

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