For more than 200 years, scientists have argued about a deceptively simple question: why does a sheet of frozen water let us ...

When you step onto an icy sidewalk or push off on skis, the surface can seem to vanish beneath you. For more than a century, ...

Possible health benefits of the inner bark of the slippery elm (Ulmus rubra) tree include managing fevers, treating wounds, and reducing sore throats. Slippery elm is native to the central and eastern ...

Slippery elm is a tree that grows in North America. For centuries, Native Americans and later European settlers used its inner bark as a treatment for many conditions. The scientific name for the tree ...

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

The Saarland researchers reveal that the slipperiness of ice is driven by electrostatic forces, not melting. Water molecules in ice are arranged in a rigid crystal lattice. Each molecule has a ...

The Slippery Elm tree, indigenous to North America, is highly regarded for its health-enhancing properties. Its inner bark, passed down through the generations, is typically gathered and finely ground ...