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The human brain receives 400 million bits (47 Megabytes) of information every second. Of those, we are only consciously aware of 2000 bits (0.0002 megabytes).

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The average ant has about 250,000 brain cells; a human has about 10 billion. It takes 40,000 ants to equal the brain of a human.

Dolphins sleep with only one side of their brain, keeping one eye open and one eye closed. They surface every 20 to 30 minutes to breathe, and they are never totally unconscious while sleeping.

It's a common belief that humans use only 10 percent of their brains. MRI imaging has shown that humans actually use most of their brain, even while sleeping.

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The human body cannot produce vitamin C, an essential nutrient.

The human body cannot produce vitamin C, an essential nutrient. To ensure adequate levels of vitamin C it must be consumed daily.

The human sneeze can travel faster than 100 miles per hour (160 km/h). It is not recommended to hold back a sneeze, as the extreme pressure may cause ear damage.

A dolphin's flipper is made up of five distinct bone structures, similar to that of a human hand.

The smallest bone in the human body is found in the middle ear. It is called the staples bone, and it measures 2.8 millimeters long.

Your nose contributes to taste more than your tongue. Around 80% of taste is actually coming from your smell receptors. Hold your nose when you eat something and you'll see it's 'taste' will not be as strong.

The human liver can regenerate itself fully. A liver that is only 30% the normal mass can regenerate to a full liver.

Chopping up onions activates a chemical reaction that releases sulfur gas. Water in the human eye reacts with sulfur gas to create sulfuric acid. Although the amount of acid is very small, it's enough to cause a burning sensation in the eye.

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