A base layer classic, Helly Hansen’s dual-layer Lifa fabric combines a moisture-wicking synthetic inner with a slightly insulating outer, ideal for moderate- to high-output activity. Affordable, quick ...

Dr. Rowan Martindale, a paleoecologist and geobiologist at the University of Texas at Austin, was walking through the Dadès Valley in the Central High Atlas Mountains of Morocco when she saw something ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Trey French Trey French is a writer focused on outdoor gear. He has tested ...

SYSTEMS of three immiscible layers are sufficiently uncommon to be noteworthy, and no system of four layers appears to have been described (excluding systems containing free mercury). Nor is this ...

Some people believe you can read a person’s aura and sense the energy field around their body. And that each aura corresponds to a different chakra. Proponents believe that tuning in to your aura can ...

In a classic winter layering system, it’s the midlayer that holds the magic. A good midlayer has to breathe, wick, and do most of the insulating for you, even when wet—a level of multitasking you ...

When most people think of burn injuries, they think of damage to the skin. Burns also affect many other areas of the body because the skin plays such an important role in protecting the body from the ...

Various approaches may help boost or restore collagen. These include supplements, diet changes, and medical treatments. Collagen is a protein that can help keep the skin looking smooth. As age and ...