Wearing a face mask when you’re in a public setting is one of the best ways to avoid getting and spreading illnesses like Covid-19, the flu, RSV and the common cold, says Dr. Carl Fichtenbaum, a ...

After CT and MRI scans, medics believed it was a transient ischemic attack (TIA), sometimes called a "ministroke." It is different from major types of stroke. Blood flow to the brain is blocked for ...

“Bille” is the first-ever monostable tetrahedron, or a pyramid-like shape with four triangular faces that has one stable ...

We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...