An international team of researchers has discovered 439-million-year-old remains of a toothed fish that suggest the ancestors of modern osteichthyans (ray- and lobe-finned fish) and chondrichthyans (sharks and rays) originated ...
Evolution
Sep 28, 2022
0
194
You only get 52 teeth in your lifetime: 20 baby teeth, followed by 32 adult teeth.
Evolution
Sep 22, 2022
0
7
Sixty-two million years ago, a mother gave birth to a baby. Overcoming the shock of birth in a matter of minutes, the baby began to explore the world around it. The baby started to suckle from its mother, a natural instinct ...
Paleontology & Fossils
Sep 16, 2022
0
81
How frequent was violence in prehistoric human societies? One way to measure this is to look for trauma in prehistoric human remains. For example, a recent review of pre-Columbian remains found evidence of trauma from violence ...
Archaeology
Sep 9, 2022
8
125
Scientists have long debated the origins of teeth. Did they evolve from body scales that migrated into the mouths of ancient vertebrates and became adapted for eating—an idea known as the "outside-in" hypothesis? Or did ...
Evolution
Aug 24, 2022
0
427
A global team of scientists has shown how microsampling oxygen isotopes in fossilized teeth can offer greater insights into the role seasonal climate and behavior played in human and primate evolution.
Evolution
Aug 23, 2022
0
401
The timing and intensity of the seasons shapes life all around us, including tool use by birds, the evolutionary diversification of giraffes, and the behavior of our close primate relatives.
Evolution
Aug 23, 2022
0
47
Recent research regarding a dinosaur nicknamed April, previously housed in the UK's Manchester Museum, has revealed rare new findings.
Paleontology & Fossils
Aug 18, 2022
0
239
Spinosaurid dinosaurs were able to develop up to three generations of teeth at the same time, a high replacement rate that explains why so many teeth of this type have been found in Cretaceous sites. This has been confirmed ...
Paleontology & Fossils
Aug 9, 2022
0
109
Millions of years ago, giant sharks three times larger than today's great whites stalked the world's ocean. They're long gone now, but occasionally, someone walking on a beach spots an odd triangular shape in the sand. On ...
Paleontology & Fossils
Jul 21, 2022
0
622
