Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise.
Plants & Animals
Sep 7, 2020
0
393
Salt is essential for life. As ancient civilizations evolved from hunters and gatherers to agrarian societies, it has not been clear how people acquired this mineral that is a biological necessity. However, an anthropologist ...
Archaeology
Oct 8, 2018
1
79
New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.
Paleontology & Fossils
Apr 17, 2009
0
1
Large size and a fast bite spelled doom for bony fishes during the last mass extinction 65 million years ago, according to a new study to be published March 31, 2009, in the Proceedings of the National Academy of Sciences.
Ecology
Mar 26, 2009
1
0
The identity of a local prehistoric marine reptile has finally been revealed after experts discovered that some of its remains actually belonged to fish.
Paleontology & Fossils
Jun 5, 2024
0
62
In a new study published in PNAS, researchers have extracted the first ancient DNA from Caribbean parrots, which they compared with genetic sequences from modern birds. Working with fossils and archaeological specimens, they ...
Ecology
Sep 25, 2023
0
599
The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study.
Evolution
Sep 9, 2022
5
1017
Researchers at the Indian Institute of Science (IISc) have identified a way to estimate ancient seawater temperature by probing tiny bones in the ears of fish.
Earth Sciences
Aug 10, 2022
0
205
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a new biomaterial made entirely from discarded bullfrog skin and fish scales that could help in bone repair.
Materials Science
May 27, 2021
1
20
A joint team of paleontologists has now for the first time analyzed bone structures in 400 million-year-old fossils of marine life at unprecedentedly high resolution and in 3D. To be able to view these structures, tomography ...
Evolution
Mar 31, 2021
0
263
