Tag Archive for 'Forearm'

Reconstruction of Sahelanthropus tchadensis. Image credit: University of Silesia.

7-Million-Year-Old Sahelanthropus Fossils Bolster Case for Earliest Upright Walking

Jan 5, 2026 by Sergio Prostak

For more than two decades, Sahelanthropus tchadensis — a very early (6.7 to 7.2 million years old) hominin species discovered in Chad in 2001 —...

Gabel et al. examined bone strength, density, and microarchitecture in seventeen astronauts using high-resolution peripheral quantitative computed tomography. Image credit: NASA.

Microgravity Induces Irreversible Damage to Bone Strength and Density, Says New Study

Jul 4, 2022 by News Staff

Scientists from the University of Calgary and elsewhere have followed 17 International Space Station astronauts before and after spaceflight over the last...

Lucas et al. find that the prevalence of the persistent median artery in postnatal life approximately tripled over the last 125 years. Image credit: C.M. Da Silva.

Humans are Evolving Extra Artery in Forearm: Median Artery

Oct 12, 2020 by News Staff

The median artery of the human forearm is an example of microevolutionary changes in the internal anatomy of the human body, according to new research...