A recent study suggests that greying hair might be the body’s natural response to oxidative stress, potentially preventing ...

The star-nosed mole has a rose-colored ring of fleshy, retractable tentacles surrounding its nose. This nasal disc is bilaterally symmetrical with 11 projections on each side. Equally distinct is the ...

Barrett’s esophagus is a condition in which the tissue lining the esophagus – the tube that passes the food from the mouth to the stomach – is replaced by tissue similar to that of the intestinal ...

An endoscopy—using a fiber‐optic tube to peer inside the body and collect biopsy samples—can be an invaluable way to detect cancer of the esophagus. But sometimes, an endoscopy can miss esophageal ...