uv rays

UV protection of sunscreen lenses is claimed to decrease over time.

Cosmic dust annoyed astronomers because they prevented them from observing their distant stars.

This tattoo works on a mechanism that changes color from light to dark when the sun heats up.

UV exposure is a major risk factor for sunburn, skin aging and skin cancer.

According to a recent study, about three-quarters of the sunscreens currently on the market are not as effective as manufacturers' advertising or contain harmful ingredients.

We are still exposed to a large amount of UV light when using umbrellas on the beach without applying sunscreen.

Why is it so dizzy to go on a sunny day, is it because my eyes are weak?

Sci-fi movies remind us again and again that ultraviolet rays can be used against vampires, but now science is actually trying to use it to fight a dreaded disease: cancer.

Ultraviolet rays at very high levels in hot sunny days cause a lot of damage to the eyes, so they need to be carefully shielded when going out, while avoiding looking directly at

Sunglasses protect the eyes from the effects of ultraviolet rays, limiting the risk of diseases such as