Hello, dear readers! Welcome to our monthly letters column. We’ve had some interesting mail, so we’ll get right to it.

Dan Baumgardt does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Which doctor did not learn the arrangement of the spinal nerves? (I did, and I'm sure you did too). Which medical students did not ask: “How can there be eight cervical nerves when there are only ...

KING OF PRUSSIA, Pennsylvania (WPVI) -- At any given time, about one in four Americans is dealing with low back pain. For muscles or tendons, rest and physical therapy can help. However, good ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Paleobiologist Dr ...

The new study was led by Prof. Kenshu Shimada of Chicago's DePaul University, and it involved the analysis of a rare fossilized megalodon vertebral column, unearthed three years ago in Belgium. The ...

A new study provides many new insights into the biology of the prehistoric gigantic shark megalodon (megatooth shark), which lived nearly worldwide 15–3.6 million years ago. Paleobiology professor ...

CHICAGO — A new scientific study provides many new insights into the biology of the prehistoric gigantic shark, Megalodon or megatooth shark, which lived nearly worldwide 15-3.6 million years ago.

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

Ariana Grande might need a good chiropractor after filming Wicked. Speaking to PEOPLE alongside costar Jonathan Bailey, the singer-actress, 31, confirms that the many haughty hair flips she performed ...

If we didn’t know any better, we might conclude that the international order the United States helped construct after World War II was coming apart. We might also be led to believe that four countries ...