Ocean deoxygenation during the Mesozoic Era was much more rapid than previous thought, with CO2 induced environmental warming creating ocean 'dead zones' over timescales of only tens of thousands of years.
Earth Sciences
Aug 23, 2021
7
889
During the Early Cretaceous period, 110 million to 107 million years ago, Australia was much further south than it is today. Yet fossils from several sites on the Otway Coast in Victoria show dinosaurs were common in the ...
Paleontology & Fossils
Aug 20, 2021
0
408
Animals have evolved several strategies in prey-predator interactions due to selective pressures, such as mimicry and camouflage. Both mimicry and camouflage enable animals to effectively reduce the probability of detection ...
Paleontology & Fossils
Aug 19, 2021
0
56
The geological record of the movement of Earth's "tectonic plates" is preserved in the magnetic orientation of old rocks found in the interior of these tectonic plates. As these rocks form, the magnetic orientation of their ...
Earth Sciences
Aug 18, 2021
0
7
A team of researchers affiliated with several institutions in China and Canada has identified a turtle egg fossil from the Cretaceous period that contains an embryo. In their paper published in Proceedings of the Royal Society ...
The extraordinary diversity of insects and fishes, the most species-rich invertebrate and vertebrate groups in the animal kingdom, is partly due to the origin of venom, a new study of their evolution has revealed.
Plants & Animals
Aug 5, 2021
0
522
Illustrations depicting the dinosaur era—whether in books or movies—are often accompanied by lush greenery. During the Cretaceous period, the trees commonly dominating a wide range of Earth's terrestrial environments ...
Plants & Animals
Aug 3, 2021
0
502
Dinosaurs were generally huge, but a new study of the unusual alvarezsaurs show that they reduced in size about 100 million years ago when they became specialized ant-eaters.
Evolution
Jul 6, 2021
0
151
Scientists have found an unexplained cache of fossilized shark teeth in an area where there should be none—in a 2900 year old site in the City of David in Jerusalem. This is at least 80 km from where these fossils would ...
Archaeology
Jul 4, 2021
2
1634
Dinosaurs roamed the Earth more than 65 million years ago, and paleontologists and amateur fossil hunters are still unearthing traces of them today. The minerals in fossilized eggs and shell fragments provide snapshots into ...
Paleontology & Fossils
Jun 30, 2021
0
632
