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Penn State is a multi-campus public research university that educates students from Pennsylvania, the nation and the world. It improves the well-being and health of individuals and communities through integrated programs of teaching, research, and service.

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Displaying 261 - 280 of 294 articles

The hominid skull that gave rise to Homo floresiensis - but is it really a new species? Flickr/NCSSM

‘Hobbit’ more likely had Down Syndrome than a new species

Many people believe that what was found in Liang Bua Cave on the island of Flores in Indonesia in 2003-2004 was some variety of hobbit-like human or prehuman. Our research published today argues that it…
Natural sunscreen in action. Cargo Cult

Skin cancer is not the main reason for darker pigmentation

Many theories have been proposed for the evolution of dark skin pigmentation – and a new paper revives one of the oldest: that skin cancer was a more potent selective force for the evolution of protective…
Skin colour doesn’t just affect your tanning ability. PA

East Asian genes may solve the skin cancer puzzle

Europeans fall prey to skin cancer because of their lighter skin, while Africans’ dark skin protects them. But East Asians, whose skin colour resembles that of Europeans, are similar to Africans in their…
Firefighters, rangers and officials have been fighting the fire for 12 days. Noah Berger/EPA

We set the fuel for the Rim Fire, climate change lit the match

The frequency of large wildfires in the western US have been increasing over the past several decades. The Rim Fire, currently threatening the Hetch Hetchy reservoir in Yosemite National Park, is an example…

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