Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The tiny country of Wales on the western coast of Great Britain may ...

The MDICE is a globally recognized positive carbon isotope excursion event in the Ordovician. Historically, it has been primarily documented in δ 13 C carb data, with only scattered, incomplete ...

Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the vast ...

ANDREW D. HAWKINS, HUAIBAO P. LIU, DEREK E. G. BRIGGS, A D. MUSCENTE, ROBERT M. MCKAY, BRIAN J. WITZKE and SHUHAI XIAO The Winneshiek Lagerstätte occurs within an Ordovician meteorite impact structure ...

Widespread marine anoxia is hypothesized as the trigger for the second pulse of the Late Ordovician (Hirnantian) mass extinction based on lithologic and geochemical proxies that record local bottom ...

A systematic re-evaluation of China’s Ordovician tectonic architecture, published in the Journal of Palaeogeography (Chinese Edition), proposes a refined model dividing the region into four ...

CINCINNATI — Visitors to the Cincinnati Museum Center can now experience a new, permanent exhibit offering a peek into a world that existed 450 million years ago. The exhibit addition, Ancient Worlds ...

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.