Scientists examined rock cores taken from the Chicxulub crater in Mexico, site of the asteroid impact that triggered dinosaur extinction, and found iridium, a telltale sign of asteroids. Source: https://earthsky.org/earth/asteroid-dust-iridium-chicxulub-crater-dinosaur-extinction…
Tag: Yucatan
Divers Find Evidence of Prehistoric Mining Operation in North America
Iwastheone shared this article from CBS News:
Experts and cave divers in Mexico’s Yucatan peninsula have found ocher mines that are some of the oldest on the continent. Ancient skeletons were found in the narrow, twisting labyrinths of now-submerged sinkhole caves… The discovery of remains of human-set fires, stacked mining debris, simple stone tools, navigational aids and digging sites suggest humans went…
Supercomputer Simulates the Impact of the Asteroid That Wiped Out Dinosaurs
An anonymous reader quotes a report from ZDNet: Some 66 million years ago, an asteroid hit the Earth on the eastern coast of modern Mexico, resulting in up to three quarters of plant and animal species living on the planet going extinct — including the dinosaurs. Now, a team of researchers equipped with a supercomputer have managed to simulate the entire…