Ancient fish scales and vertebrate teeth share an embryonic origin
In biology, one long-running debate has teeth: whether ancient fish scales moved into the mouth with the origin of jaws, or if the tooth had its own evolutionary inception.
In biology, one long-running debate has teeth: whether ancient fish scales moved into the mouth with the origin of jaws, or if the tooth had its own evolutionary inception.
Archaeology
Nov 20, 2017
0
198
Shark feeding habits are helping scientists identify marks on human bones found in the ocean.
Other
Jul 19, 2017
0
2
The blue whale is the largest animal that has ever lived. And yet they feed almost exclusively on tiny crustaceans known as krill. The secret is in the baleen, a complex filter-feeding system that allows the enormous whales ...
Plants & Animals
Jun 29, 2017
0
135
The first creatures to evolve teeth didn't have jaws. Many scientists believe these ancient fish developed the first tooth-like structures on their skin that were similar to the "denticle" scales that still cover sharks ...
Archaeology
Jan 18, 2017
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31
Sharks have a big reputation for their teeth.
Plants & Animals
Sep 8, 2016
0
216
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
Archaeologists say they have found evidence indicating that Guam's ancient Chamorros came from two waves of migration.
Archaeology
Feb 11, 2016
0
53
As an undergraduate student of geology I had become fascinated by palaeontology—in particular the study of marine vertebrate fossils from the Cretaceous period (145-66 million years ago).
Archaeology
May 14, 2015
0
92
Researchers have obtained bioceramics from shark teeth, which have applications in the regeneration of bone tissue, particularly in the fields of traumatology and odontology. Given the degree of innovation and the positive ...
Materials Science
Apr 21, 2015
0
3253
A new study shows that some shark species may be able to cope with the decreasing salinity of Arctic waters that may come with rising temperatures.
Earth Sciences
Jul 9, 2014
0
0