Both Abraham Lincoln, 16th President of the United States, and Charles Darwin, author of The Origin of Species and creator of the theory of natural selection, were born on February 12, 1809. Modern evolutionary theory, of course, is based on Darwin's theory of natural selection. The evolutionary history

You are the CEO of your own personal enterprise. In addition to whatever business you might be running or might be in, your personal corporation consists of the value you generate during your time on Earth. Some persons such as government officials make choices and take actions that obviously affect

You're at the doctor's office because you think something might be wrong. Rationally, you know tests are probably necessary, but getting the tests done sometimes provokes a lot of anxiety in all of us. We want to know the results, but are very concerned about the outcome."You need blood work" your doctor

Many people have medicine chests in their bathroom, small shelving units filled with bottles of pills, capsules, and tablets. Others, instead, have first-aid and personal grooming cabinets in their bathrooms, containing rows of bandages, tubes of antiseptic, rubbing alcohol, and adhesive tape, as well

In 2009 there's been lots of conversation about health care, both at the federal and state levels.1-3 Not all the talk has been friendly. Those favoring broad reforms describe serious problems in the health care "system". Those opposing change have spread rumors about impending "socialized medicine".

Spring is near. In New York City, yellow, white, and purple crocuses have raised their cup-shaped flowers above the ground for all to see. In California, western buttercups, ground pink, and bush lupine have begun to bloom. Humans, too, are awakening to the glory of a new Spring.For most species, Winter

We're all familiar with the highway driving experience of being behind a person who is continually braking for no apparent reason. This is especially problematic if you're in the left-hand lane. You're zipping along at the posted speed limit and suddenly the brake lights of the car in front go on. You

In the language of statistics, health is a continuous variable. A person's health can be expressed as an infinity of values ranging from abundant well-being to terminal states approaching death. If health were a discrete quantity you could assign a number to it. You could say that someone had 95% health