A more reliable way of estimating the size of megalodon shows the extinct shark may have been bigger than previously thought, measuring up to 65 feet, nearly the length of two school buses. Earlier studies had ball-parked ...
Paleontology & Fossils
Jun 7, 2021
0
4204
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
The largest marine predator that ever lived was no cold-blooded killer. A new analysis by environmental scientists from UCLA, UC Merced and William Paterson University sheds light on the warm-blooded animal's ability to regulate ...
Paleontology & Fossils
Jun 26, 2023
0
1752
(Phys.org) -- German researchers studying shark teeth have found at least two species that have fluorinated calcium phosphate - mineral fluoroapatite, as a main component, one of the main ingredients in toothpaste, which ...
A team of researchers working at Japan's Okinawa Churashima Research Center has found that whale sharks have thousands of dermal denticles (tiny teeth) in the skin surrounding their eyeballs. In their paper posted on the ...
New Princeton research shows that prehistoric megatooth sharks—the biggest sharks that ever lived—were apex predators at the highest level ever measured.
Plants & Animals
Jun 22, 2022
0
259
An international team of researchers has found the first skeletal remains of Phoebodus—an ancient shark—in the Anti-Atlas Mountains in Morocco. In their paper published in Proceedings of the Royal Society B, the group ...
Scientists on CSIRO research vessel (RV) Investigator have made some exciting finds during recent voyages, including collecting a specimen of a new species of shark and discovering a shark graveyard in the deep ocean.
Ecology
Dec 7, 2022
0
344
A new insight into how sharks regenerate their teeth, which may pave the way for the development of therapies to help humans with tooth loss, has been discovered by scientists at the University of Sheffield.
Biotechnology
Feb 12, 2016
4
1091
(PhysOrg.com) -- Sharks are capable of continually growing new teeth. As the teeth age, they fall out and new ones move forward similar to that of a tooth conveyor belt. Humans, and most mammals, on the other hand are only ...
