Both sunscreen and sunblock effectively protect your skin, but dermatologists explain the pros and cons of each and which may be better for your skin and lifestyle.

while others seem to display UV coloration—invisible to the human eye without specialized cameras. Sometimes referred to as fluorescence, phosphorescence, or even biofluorescence, it seems like ...

If you're a fan of the TV show Yellowstone, you'll know the deal—you earn your place on the ranch by being branded. On the ...

A remarkable aspect of this technology is its ability to project entirely different images depending on both the wavelength (color) and spin (polarization direction) of light. For example, ...

Discover how UVB exposure and topical application of cis-urocanic acid led to changes in the skin’s microbial composition.

During a preservation survey of Stripes’ photo collection in 2018, archives staff found that especially the 4x5 negatives from the late 1940s and early 1950s were suffering the most from this ...

In his 2017 study, Takahashi and his team found that an enzyme that repairs UV-damaged skin has a daily cycle of production that can be altered by eating food at unusual times. “It is likely ...

May 22, 2025 — The bacteria that cause tuberculosis (TB) may have an 'on-off switch' that lets them pause and restart growth, according to a new study. The research ...

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