- Tests conducted by St. Lawrence University in New York found that there were more left-handed people with IQs over 140 than right-handed people. Famous left-handed intellectuals include Albert Einstein, Isaac Newton, Charles Darwin, and Benjamin Franklin. Less than 1% of the world’s population can be considered truly ambidextrous.
2. The Melanesians of New Guinea are the only dark-skinned group of humans known to have a high blonde hair rate.
3. Vitamin D is unusual because it is the only vitamin that can be synthesized in the body. Sunlight is the main source of Vitamin D, though sunscreen lotions with high SPF can prevent vitamin D formation. Vitamin D is also the only vitamin that is a hormone.
4. Insects such as termites and ants provide 10% of the protein consumed worldwide. Where insects are an integral part of a diet, they contribute as much as 40% of protein. In the United States, it is estimated that every adult unconsciously consumes one pound of insects each year due to garden produce, poor restaurant and home hygiene, and commercial foods for which the USDA allows a certain amount of insect fragments. Peanut butter, for example, is allowed to have 30 insect fragments per 100 grams.
5. Women are more susceptible to the effects of alcohol especially wine than men partly because they have less of an enzyme in the lining of the stomach that is needed to metabolize alcohol efficiently.