An emerging system which combines rapid imaging with artificial intelligence could help scientists build a comprehensive picture of present and historic environmental change—by swiftly and accurately analyzing pollen.
Molecular & Computational biology
Sep 7, 2023
0
76
Around 50 million years ago there were extensive, lush deciduous forests in the polar regions of the Arctic, where today there is sparse vegetation. The forests existed due to the conditions in the Eocene—a combination ...
Paleontology & Fossils
Sep 7, 2023
0
36
Birds descended from theropod dinosaurs by the Late Jurassic, but our understanding of the earliest evolution of the Avialae, the clade comprising all modern birds but not Deinonychus or Troodon, has been hampered by a limited ...
Evolution
Sep 6, 2023
0
151
Large-bodied mammals play crucial roles in ecosystems. They create habitats, serve as prey, help plants thrive, and even influence how wildfires burn. But now, fewer than half of the large mammal species that were alive 50,000 ...
Ecology
Sep 6, 2023
0
71
A small team of evolutionary biologists at Flinders University, in Australia, working with one colleague from the University of Salford in the U.K. and another from the University of California, Los Angeles, has found fossilized ...
Right at the bottom of the deep sea, the first very simple forms of life on Earth probably emerged a long time ago. Today, the deep sea is known for its bizarre fauna. Intensive research is being conducted into how the number ...
Paleontology & Fossils
Sep 5, 2023
0
68
Plesiosaurs gained their famous long necks rapidly, researchers have shown.
Evolution
Sep 4, 2023
0
154
A team of paleontologists from the University of Canterbury has discovered a remarkably intact fossil of one of the earliest ancestors of a group of birds now restricted to the tropics. Tropicbirds, now represented by only ...
Evolution
Sep 1, 2023
0
48
While ravens do not occur in China's capital Beijing today, a new study analyzing fossil bird bones from the UNESCO World Heritage Zhoukoudian "Peking Man" site demonstrates that ravens lived in western Beijing at the same ...
Plants & Animals
Sep 1, 2023
0
436
When you think of dinosaurs, you might automatically imagine iconic dinosaurs such as Tyrannosaurus and Triceratops. But at the same time when these were stomping on the ancient coastal plains of North America, some of their ...
Paleontology & Fossils
Aug 30, 2023
0
204
