How To Get Motivated to Exercise

Bodily training is beneficial. Yet, many who say "I need to exercise” just don’t seem too eager to follow through.

If you feel similarly, consider three payoffs to having a good exercise program.

Payoff 1. Exercise boosts your immune system. If you can’t find time to exercise, you’d better find time to be sick.

Payoff 2. Exercise releases chemicals into the brain that calm you. Running is a good release when you have a lot on my mind. Physically you'll feel refreshed, and emotionally it’s a great relief.

Payoff 3. Exercise can increase your fun. Outdoors exercise like swimming and biking.

Secret to Success: Devote at least 20 minutes three times a week to a vigorous physical activity that you enjoy.

Remember this: While genetics play a role, your physical condition is often determined by the lifestyle you choose. So when you say “I need to exercise,” the choice is yours; you can do something about it!

The Lantern of the Photuris Firefly

THE lantern, or light organ, of a particular Photuris firefly is covered with jagged scales that dramatically enhance the brightness of the light that the insect produces. * Jagged scales Consider: Researchers have found that tiny scales on the lantern surface of some fireflies form a corrugated pattern, somewhat like overlapping shingles or tiles. The scales tilt up at one end by just 3 micrometers —less than one twentieth the thickness of a human hair. Yet this tiny tilt lets the lantern shine almost 50 percent more brightly than it would if the scales formed an even surface!

An Overview of Indonesia

Land Straddling the equator between Australia and continental Asia, Indonesia is the world’s largest archipelago. Most of its more than 17,500 islands feature rugged mountains and dense tropical forests. With more than 100 active volcanoes, it is also the most active volcanic region on earth.

PORTRAITS FROM THE PASTIgnaz Semmelweis

IGNAZ SEMMELWEIS may not be a household name, yet his work has benefited most modern families. Born in Buda (now Budapest), Hungary, he received his medical degree at the University of Vienna in 1844. On taking up his post as assistant to a professor at the First Maternity Clinic of Vienna’s General Hospital in 1846, Semmelweis faced an appalling reality —more than 13 percent of the women giving birth there died from a disease called childbed fever. Various theories as to the cause of this disease had been proposed, yet no one had solved the mystery. All attempts to reduce the mortality rate proved futile. Troubled by the spectacle of numerous mothers suffering a slow, agonizing death, Semmelweis determined to find the cause of the disease and prevent it.

Rielyn Co

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