• Mon. Sep 28th, 2020

Dimancherouge

Technology

ancient

  • Home
  • Remnants of an ancient asteroid shed new light on the early solar system — ScienceDaily

Remnants of an ancient asteroid shed new light on the early solar system — ScienceDaily

Researchers have shaken up a once accepted timeline for cataclysmic events in the early solar system. About 4.5 Ga (giga-anum, or billion years ago), as a large disc of dust…

Chromium steel was first made in ancient Persia

Chahak people and the layer. Credit: Rahil Alipour, UCL Chromium steel—similar to what we know today as tool steel—was first made in Persia, nearly a millennium earlier than experts previously…

NASA Mars rover runs first-of-its-kind experiment seeking clues to ancient life

Curiosity snapped this look at its SAM instrument in September 2020. NASA/JPL-Caltech Venus may be hogging the limelight right now, but Mars refuses to be forgotten in the search for…

Ancient volcanoes once boosted ocean carbon, but humans are now far outpacing them

A living foraminifera, a type of marine plankton, that researchers grew in laboratory culture. To reconstruct past climate, fossilized specimens are collected from deep sea sediments. Credit: Bärbel Hönisch/Lamont-Doherty Earth…

How Old Is This Ancient Vision of the Stars?

The Nebra sky disk has been hailed as the oldest known representation of the cosmos. Uncovered by looters in 1999 and then recovered in a sting by archaeologists and law…

Study of ancient rocks suggests oxygen depletion in oceans led to end-Triassic mass extinction

Simplified paleogeographical map for Triassic-Jurassic transition showing localities for all three studied sections. Credit: Science Advances (2020). DOI: 10.1126/sciadv.abb6704 A team of researchers from the U.K., China, and Italy has…