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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Cyanide works by making the human body unable to use oxygen.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.