Geologists reveal the Americas collided millions of years earlier than thought

Volcanic rocks in Colombia are rewriting the timeline of the collision between Central and South America. Their magnetic signatures show that major tectonic deformation had already weakened by the late Miocene, suggesting the most intense collision occurred earlier than…

Scientific signal separates durable discovery from noise — and often foreshadows policy and product.

ScienceDaily reported on this under science. RedScroll surfaces the signal with an extractive brief — not a reprint of the original article. Read the source for full reporting.