Nasal mucus - simply known as snot - essentially acts like a shield to keep out harmful germs while also letting in things ...

Coral bleaching isn’t just an ocean crisis. Here’s how the global event endangers food security, local jobs—and the land ...

Buildings adorned with plants are an increasingly familiar sight in cities worldwide. These "green walls" are generally ...

Let these motivating Brené Brown quotes guide you through life's toughest moments. Find the best Brené Brown vulnerability quotes and more.

Steam inhalation can help open the nasal passages and get relief from the symptoms of a cold or sinus infection. Learn about the benefits and risks.

Sinus pain and headaches can be symptoms of the common cold, allergies, or sinusitis. Learn how to relieve sinus pressure and pain instantly, with methods including hot compresses and spicy foods.

The neuron theory There was, however, a tissue that seemed to belie cell theory — nervous tissue. Because of its softness and fragility, it was difficult to handle and susceptible to deterioration.