Hats on for Easter Island statues

How do you put a 13-ton hat on a giant statue? That's what a team of researchers is trying to figure out with their study of Easter Island statues and the red hats that sit atop some of them.

A better HIV test

Public health officials have a tough choice to make when it comes to screening people for HIV: administer a reliable blood test that can detect infections early on, but that few people will volunteer for, or give people a ...

How DACA affects the health of America's children

In recent years unauthorized immigrants known as "dreamers" have captured nationwide attention and become a force in American politics. Brought to the United States as children, these young adults came forward to ask for ...

How social rank can trigger vulnerability to stress

Stress is a major risk factor for a range of psychopathologies. However, stress does not affect everyone equally: in the face of sustained adversity, some people develop depression symptoms while others adapt and remain resilient. ...

Egyptian statue recently unearthed is not Ramses II

A massive statue recently unearthed in Cairo and thought to depict one of the country's most famous pharaohs may be of another ancient Egyptian ruler, the country's antiquities minister said Thursday.

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