What is it about yawning?

You know the feeling. It's impossible to resist. You just need to yawn.

10,000 year-old DNA proves when fish colonized lakes

DNA molecules in lake sediment are few and hard bound to particles. This resulted in challenging analyses and required development of new methods, both for extracting sufficiently clean DNA and for the statistical analysis ...

Scientists nail vandals of 800-year-old scroll

More than 800 years ago, a teenaged soldier named Laurentius Loricatus accidentally killed a man. He spent the next three decades repenting alone in an Italian cave, self-flagellating.

Cretaceous snails conceal themselves in monuments in Madrid

The fountains standing next to the Museo del Prado are built using a sedimentary rock full of gastropod shells from the time of the dinosaurs. These fossils have revealed the origin of the stone: forgotten quarries in RedueƱa, ...

Popcorn-rocks solve the mystery of the magma chambers

Since the 18th century, geologists have struggled to explain how big magma chambers form in the Earth's crust. In particular, it has been difficult to explain where the surrounding rock goes when the magma intrudes. Now a ...

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