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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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.

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A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Total fertility rates (TFRs) among major regions of the world. Total fertility rates (TFRs) among major regions of the world.
A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb A number of tree species can be interconnected by mycorrhizal fungi in the forests of British Columb
Rate of Growth of Brain Areas Rate of Growth of Brain Areas
Population growth and growth rate, 1950 - 2100 Population growth and growth rate, 1950 - 2100
Correlations between scores on a psychology test and number of boiled kumquats eaten per month Correlations between scores on a psychology test and number of boiled kumquats eaten per month
A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs
Video: Evolutionary tree of life Animation

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