The rise of tetrapods (four-limbed vertebrates) is one of the iconic evolutionary transitions preserved in the fossil record. These animals, which lived about 385 to 320 million years ago during the Devonian and Carboniferous ...
Paleontology & Fossils
Nov 28, 2022
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148
Famed for their gentle, slow-moving nature, sea cows (manatees and dugongs) are aquatic mammals closely related to the elephant. Now, their bone chemistry can be revealed for the very first time, after researchers from The ...
Archaeology
Mar 3, 2016
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26
A few hundred thousand years ago during Earth's most recent ice age, a beefy subspecies of spotted hyena that was more than double the weight of its modern relative roamed Eurasia's snow-glazed terrain. Until their extinction ...
Analytical Chemistry
Nov 14, 2018
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156
Until now, in cases of bone fracture, doctors have used implants made of steel and titanium, which have to be removed after healing. To spare patients burdensome inter- ventions, researchers are working on a bone substitute ...
Polymers
Nov 4, 2014
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0
Screws used in surgical operations are often made of titanium. They usually have to be removed after a while or replaced by new ones. A new biomaterial makes this unnecessary. It promotes bone growth and is biodegradable.
Materials Science
Mar 22, 2010
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0
A new paper in Science highlights recent tyrannosaur discoveries and complex analyses of the biology of certain species. The paper includes a new family tree for T. rex and its relatives.
Archaeology
Sep 16, 2010
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0
The insects known as aphids can make their own essential nutrients called carotenoids, according to University of Arizona researchers.
Plants & Animals
Apr 29, 2010
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0
By combining the tools of medicinal chemistry and zebrafish biology, a team of Vanderbilt investigators has identified compounds that may offer therapeutic leads for bone-related diseases and cancer.
Biochemistry
Jan 21, 2010
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0
Scientists from St Petersburg University as part of a research team have studied bones of hadrosaurid dinosaurs, or duck-billed dinosaurs, found in Chukotka. They were able to confirm that 66 million years ago the climate ...
Ecology
Aug 2, 2023
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28
A hybrid meta-biomaterial that promotes bone growth is not something you will find in nature, but it can be created using a 3-D printer and existing biomaterials. TU Delft researchers have developed a meta-implant that combines ...
Materials Science
Jan 3, 2018
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35
