Q1464Mount Everest rises by a few millimetres each year, pushed up as the Indian tectonic plate keeps grinding into Asia.
The same slow collision that first raised the Himalayas roughly 50 million years ago has never stopped. Rock that now stands nearly nine kilometres up once lay on an ancient seabed — which is why fossil sea creatures can be found near the summit. The most solid, permanent thing you can imagine, a mountain, is in fact mid-motion.





