Is sunscreen toxic?

The sun is a natural source of Vitamin D, but it can also kill us. As of today, the sunscreen still is the best protective weapon against UV A/B radiation.

If you enjoy outdoor activities and water sports, sunscreen is an essential health product because it will protect your skin against the sun's UV rays.

While the sun fuels your body with natural Vitamin D properties, it can also cause dangerous sunburns, and increase the risk of developing skin cancer and premature aging.

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35 interesting facts about tsunamis

Tsunamis are a silent, yet destructive force that rarely spares lives and belongings. Take a look at some interesting facts about the most deadly waves on the planet.

A tsunami is a series of ocean waves - called wave train - created by an underwater earthquake or explosions, volcanic eruption, landslide, or drastic changes in atmospheric pressure.

However, the natural phenomenon can also be caused by nuclear tests or disasters, meteorites, and glacier calving.

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How is sand formed?

What is sand made of? Where does it come from? What's in a handful of sand? Why does a beach have sand?

Sand is an authentic relic. In a way, we could say that a beach is the result of thousands of years of mechanical interaction between the earth, air, water and, in some cases, even fire.

When you pick up a handful of sand, you'll spot a mix of hundreds of thousands of black, white, translucid, and sparkling grains.

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