Science Growth of Himalayas slowing down, study finds

The collision between Eurasia and the Indian subcontinent, which created the world's highest mountain range, is slowing down, a new study has found. 

Marin Clark

As Earth's tectonic plates move across the planet's surface, the continents that sit atop them are carried along, sometimes smashing together for many millions of years at a time. As the continents mash against each other, their collision gradually slows.