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Deep-sea vents top 700 degrees without boiling

Seawater in hydrothermal vents can reach over 700 degrees Fahrenheit, yet it does not boil because of the extreme pressure.

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The vents form where seawater meets magma. Scientists first discovered them in 1977 while exploring a spreading ridge near the Galapagos Islands.

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The largest tree on Earth is a giant sequoia

The General Sherman Tree is the largest tree in the world by volume, at an estimated 52,500 cubic feet.

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Kelp can grow 18 inches in a day

In ideal conditions, kelp can grow up to 18 inches per day.

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Sunlight barely reaches below 200 meters in the sea

There is rarely any significant light deeper than 200 meters in the ocean, and sunlight does not reach below 1,000 meters.

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