Dermatology

Experts explain the differences between popular retinol products and the way they trigger molecular changes deep in the skin

New research harnessed the highly absorbent dye tartrazine, used as the common food coloring Yellow No. 5, to turn tissues in living mice clear—temporarily revealing organs and vessels inside the animals

A number of whole-body deodorants are coming to market. But are they safe and effective?

Skin-care experts break down dangerous misconceptions about tanning and suggest healthy ways to enjoy summertime sunshine

A decade after Congress told the FDA to expedite the approval of more effective sunscreens, the federal government still has not approved sunscreen ingredients that are safely being used around the world

What dermatologists say about sun sensitivity, cancer risk and the products they use for sun protection

“Why is it that an animal that is actively trying to kill us, such as a lion, gets more respect than one that is only trying to nibble on us a little, without causing much harm?” -Piotr Naskrecki Biologist Piotr Naskrecki, who traveled with me to Belize last year, returned home to find himself incubating [...]

Wearable goose-bump sensor could one day help detect when people are moved

Mothers across the nation will likely be warning their costume-clad youngsters that they'll "feel sick" if they eat too much of the candy they collect tonight.

Until relatively recently, the fungus Malassezia was thought to have one favorite home: us. As the dominant fungus on human skin and sometimes-cause of dandruff, the yeast Malassezia was thought to live a simple if sometimes irritating domestic existence humbly mooching off the oils we exude.

Fist bumps are back in the news this week after the publication of a study finding that fist bumps transfer fewer bacteria than the more customary handshake.

An octopus might be one of the most intelligent invertebrates, but it doesn’t always know what, exactly, its arms are doing. How these animals manage to avoid tangling themselves up is a major feat.