Trilobites: What Moves Gravel-Size Gypsum Crystals Around the Desert? The large crystals, and perhaps life forms within, may be scattered around by a whirlwind that a geologist calls a gravel devil. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Feature: When the Lab Rat Is a SnakeNASA landmark discovery: Astronomers find SUPERMASSIVE black hole hurling through galaxyAntikythera Mechanism: Ancient ‘computer’ was used by Greeks to predict futureSwirling lava at Earth’s core could FLIP magnetic field leading to tech CHAOSAI BREAKTHROUGH: Elon Musk-backed programme allows robots to mimic humansWounded Troops Discharged for Misconduct Often Had PTSD or T.B.I.
