A vestigial trait is something that an organism has that once served a purpose that over time and the course of evolution has ceased to be useful. We see it in goosebumps, which were more effective ...

Vasomotor rhinitis is a cause of runny nose and congestion not related to allergies or an infection. Learn about the symptoms ...

Brain activity in vocalizing budgerigar parrots showed a pattern that harkened to those found in the brains of people.

We have two types of hair, says dermatologist Elizabeth Houshmand. Vellus hairs, or “peach fuzz,” cover virtually our entire ...

Earwax, medically known as cerumen, is a substance naturally produced by glands in the ear canal. It serves critical ...

The condition affects around 10% of the population and significantly impacts the quality of life of those who suffer from it.