Ankle and foot evolution gave mammals a leg up
The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests.
The evolution of ankle and foot bones into different shapes and sizes helped mammals adapt and thrive after the extinction of the dinosaurs, a study suggests.
Evolution
May 13, 2021
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Despite what some people think, bone is not merely a passive component of the body. The skeleton is structurally dynamic and responds to life's physical stresses with continual equilibration between bone mass loss and reformation. ...
Cell & Microbiology
Apr 9, 2021
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Nine human species walked the Earth 300,000 years ago. Now there is just one. The Neanderthals, Homo neanderthalensis, were stocky hunters adapted to Europe's cold steppes. The related Denisovans inhabited Asia, while the ...
Archaeology
Nov 22, 2019
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Proteins are the workhorses of the cell. Their activity is often controlled by adding or removing chemicals called phosphates, like switching an electrical current on or off. Measuring how many proteins are phosphorylated, ...
Analytical Chemistry
May 10, 2019
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Scientists from Skoltech and Moscow Institute of Physics and Technology (MIPT) studied the protein and lipid composition of a mammoth bone found near the Yana River in northeastern Siberia. Their study is one of the few pioneering ...
Analytical Chemistry
Jan 10, 2019
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Using ancient proteins and DNA recovered from tiny pieces of animal bone, archaeologists at the Max Planck Institute for the Science of Human History (MPI-SHH) and the Institute of Archaeology and Ethnography (IAET) at the ...
Archaeology
Oct 31, 2018
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294
(HealthDay)—Resistance or strength training isn't just for bodybuilders—it's for everyone, and it's essential to combat the natural tendency to lose muscle mass with age.
Health
Jul 12, 2018
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A team of researchers from several institutions in France and China has found evidence that some of the earliest creatures to walk on land likely emerged from estuaries or deltas. In their paper published in the journal Nature, ...
To better understand why many elderly people are prone to break a bone in a fall (known as bone fragility fractures), perhaps doctors and researchers should look at the human skeleton in much the same way civil engineers ...
Engineering
Jan 23, 2018
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You probably haven't given much thought to how you chew, but the jaw structure and mechanics of almost all modern mammals may have something to do with why we're here today. In a new paper published this week in Scientific ...
Archaeology
Mar 23, 2017
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