In an ideal world, we’d be diligent about sun protection all the time: avoiding too much sun, making sure every square inch of skin is slathered in sunscreen, and remembering to reapply it every two ...

Outdoor enthusiast Dr. Susan Weinkle has found a way to do what she once considered impossible: she can kayak Florida's waterways for five-hour stretches in midsummer and not get a speck of sunburn.

When everyday materials are pulled, they stretch or elongate in the direction of the pull and become narrower in cross-section. We can also observe this property in two-dimensional textiles. Auxetic ...