Fireflies shed light on the function of mitochondria

Tiny factories float inside our cells and provide them with almost all the energy they need: the mitochondria. Their effectiveness decreases when we get older, but also when we face many diseases such as diabetes, cancer ...

How governments resist World Heritage 'in Danger' listings

A study published today found national governments repeatedly resisted the placement of 41 UNESCO World Heritage sites—including the Great Barrier Reef—on the World Heritage in Danger list. This resistance is despite ...

Archaeologists date earliest known occupation of North America

A team led by Newcastle University, UK, used analysis of ancient coprolites—fossilized excrement—to identify that samples from one of the most famous "pre-Clovis" sites at Paisley Caves, in Oregon, north America, contained ...

Study explores how Native Americans used sea otters

University of Oregon scientists are probing archaeological evidence for how indigenous peoples used sea otters, and their findings could help Alaskans confront growing numbers of the mammals and Oregonians who want to reintroduce ...

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