Paleontologists at Mammoth Cave National Park have unearthed an ancient shark species previously unknown to science.

MAMMOTH CAVE, Ky. (WBKO) – Fossils from a previously unknown species of shark have been unearthed at Mammoth Cave National Park, shedding new light on ancient marine life.

A small but fascinating collection of Megalodon teeth exhibit deep bite marks from other Megalodons, raising questions about ...

Gas flares from an oil production platform at the Soroush oil fields in the Persian Gulf, south of the capital Tehran, July 25, 2005 Raheb Homavandi/Reuters The best single measure of the ...

Lymph node swelling, also called lymphadenopathy, is fairly common and usually not serious. If you only have swelling in one or two lymph nodes, you likely have an infection in a nearby part of ...

A 9-million-year-old shark fossil, remarkably well-preserved, has been unearthed in Peru’s legendary fossil bed, shedding new light on ancient marine predators. Measuring up to seven meters (23 feet) ...

It sounds unreal, and perhaps you are wondering how it got there. Well, let me break it down for you. How did a fossil shark get lost in the desert? The whole idea and discovery might sound absurd, ...

This collection of documentaries about one of the ocean’s oldest animals (shark fossils date back over 400 million years) is a great place to learn more about pre-historic and present-day sharks.

For further reading, the Clinical Problem-Solving article referenced in this video is available at NEJM.org: A Swell Diagnosis (Allam et al., in the January 4, 2024, issue of the Journal).

Even a common cold can cause your uvula to swell. Sometimes, people with COVID-19 notice that their uvula is swollen. But it isn't considered a common symptom. Uvulitis doesn't mean you have a ...

The irritation may cause the conjunctiva to swell and become jelly-like. It also causes blood vessels in the conjunctiva to widen, increasing blood flow and making the white of the eye appear red ...

A shocking video shows what prey often see during their last moments after being swallowed by a shark in a "Jaws"-dropping encounter. The footage was captured on Feb. 9 by diver Andrea Ramos ...