7 Most Dangerous Jellyfish in the Underwater World

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Hairy cyanea (Cyanea capillata)

This jellyfish is also often called the «lion’s mane» because of its voluminous tentacles and rather impressive size. The diameter of the cyanea dome can reach 2.5 m, and the tentacles — 30 m in length. The bite of the giant jellyfish is quite painful, and the toxins in the venom can cause allergies in humans or kill small fish. At the moment, only 1 case of death has been registered in the world after the burn of this jellyfish.

7 Reasons not to Drink Bottled Water Again

Water in a plastic bottle - it is certainly very convenient. But is it so safe as it might seem at first glance? The price of such a convenience is quite high: from environmental damage to health problems. It is time to consider whether a bottle of water is worth the terrible consequences that it may entail ...