Tyrannosaurus rex dinosaurs chomped through bone by keeping a joint in their lower jaw steady like an alligator, rather than flexible like a snake, according to a study being presented at the American Association for Anatomy ...
Paleontology & Fossils
Apr 26, 2021
0
97
By closely examining the jaw mechanics of juvenile and adult tyrannosaurids, some of the fiercest dinosaurs to inhabit earth, scientists led by the University of Bristol have uncovered differences in how they bit into their ...
Paleontology & Fossils
Mar 09, 2021
1
1048
Powerful and deadly, the bite of a trap-jaw ant is renowned throughout the animal kingdom. Unlike normal gripping jaws, which rely on muscles to open and close, the trap-jaw latches itself open, storing energy like a stretched ...
Plants & Animals
Mar 02, 2021
2
148
In a study published today in the prestigious scientific journal Nature, researchers from Carnegie Museum of Natural History (CMNH), Indiana University of Pennsylvania (IUP), and the Inner Mongolia Museum of Natural History ...
Evolution
Jan 28, 2021
0
77
Roughly 8,200 years ago, the island of Yuzhniy Oleniy Ostrov in Lake Onega in the Republic of Karelia, Russia, housed a large burial ground where men, women and children of varying ages were buried. Many of the graves contain ...
Archaeology
Jan 14, 2021
0
792
Paleontologists at the University of Bonn (Germany) have succeeded in reconstructing the chewing motion of an early mammal that lived almost 150 million years ago. This showed that its teeth worked extremely precisely and ...
Archaeology
Dec 24, 2020
0
112
Early sharks that lived 300 to 400 million years ago not only dropped their lower jaws downward but rotated them outward when opening their mouths. This enabled them to make the best of their largest, sharpest and inward-facing ...
Archaeology
Nov 18, 2020
0
159
A new species of small pterosaur—similar in size to a turkey—has been discovered, which is unlike any other pterosaur seen before due to its long slender toothless beak.
Archaeology
Oct 15, 2020
0
282
Utah State University biologist Edmund 'Butch' Brodie, Jr. and colleagues from São Paulo's Butantan Institute report the first known evidence of oral venom glands in amphibians. Their research, supported by the Brazilian ...
Plants & Animals
Jul 03, 2020
1
627
Infant marsupials and monotremes use a connection between their ear and jaw bones shortly after birth to enable them to drink their mothers' milk, new findings in eLife reveal.
Evolution
Jul 01, 2020
1
99
