Atomic imaging shows graphene nanoribbons retain atomic structure and adjustable electronic alignment after transfer to ...

In 1876, Peter Guthrie Tait set out to measure what he called the “beknottedness” of knots. The Scottish mathematician, whose research laid the foundation for modern knot theory, was trying to find a ...

More than 120 million people across the United States just experienced a near-record humid summer. See how humidity patterns are changing in your region.

Anxiety is a natural human response to stress or things that we think are dangerous. We usually experience anxiety as a feeling of constant worry or fear. When faced with a stressful or threatening ...