Material definition of humanity

We define human history through the materials we use: the stone age, the bronze age, the iron age. Perhaps we now live in the plastic age. The next epoch may well be the nanocomposite age. Art and architecture, transport ...

There's a crack forming on Rosetta's 67P: Is it breaking up?

Not all comets break up as they vent and age, but for Rosetta's comet 67P, the Rubber Duckie comet, a crack in the neck raises concerns. Some comets may just fizzle and uniformly expel their volatiles throughout their surfaces. ...

How to tell what a donkey is thinking

Yawning, sighing and stretching are just three behaviours observed in donkeys that have been evaluated in newly published research led by academics from the University of Bristol's School of Veterinary Sciences and funded ...

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