Science World articles from February 2006

Science World archives from February 2006

Which Teen Life story fits you?
February 6, 2006... This "Teen Life" issue is jam-packed with articles on topics ranging from stunt-filled cheerleading to chocolate chemistry and denim science. Plus, our A-to-Z quick bites will bring you up-to-date on science news in a flash. With so many...

Rah-rah risks: tip-top athletes have turned cheerleading into an extreme sport--one with rising injuries.(LIFE: HEALTH)
February 6, 2006... DID YDU KNOW? * In the United States, 80 percent of all cheerleaders are between the ages of 14 and 18. * In the 1930s, high school and college cheerleaders began using paper pom-poms in their routines. In 1965, inventor Fred Gastoff...

Seeing through the fog: the science behind Hollywood's fog and the real thing.(EARTH: WEATHER)
February 6, 2006... DID YOU KNOW? * Fog and mist are made of the same thing: tiny water droplets suspended in the air. How are they different? Fog is thicker. When the water droplets reduce visibility to below 1 kilometer (0.62 miles), it's considered a fog....

Built for speed: sporting new racing suits, this year's Olympic speed skaters should be slicker and quicker than ever.(PHYSICAL: AERODYNAMICS)
February 6, 2006... DID YDU KNOW? * Nike's Swift Skin fits most comfortably when the skater is in a crouched, not upright, position. The suit was designed with the competitive crouching position in mind. That's because crouching creates less drag than an...

Stacking up: try your hand at a popular sport that's sweeping the nation.(LIFE: HUMAN BODY)(cup stacking)
February 6, 2006... DID YOU KNOW? * Special plastic cups are used for official sport-stacking events. These cups have 3 holes on the closed end. When a competitor moves the cups, the holes allow air to escape. With fewer air molecules pushing against the cup,...

Water hazard: how a teen saved a young boy from a potentially deadly beach danger.(EARTH: OCEANS)(rip currents)
February 6, 2006... DID YOU KNOW? * Rip currents are often incorrectly referred to as riptides or undertow. Rip currents are not caused by Earth's tides. And undertow refers to the powerful flow of water that moves out to sea beneath incoming waves. *...

Denim 101: without chemistry, your favorite pair of jeans would be singing the blues.(PHYSICAL: CHEMISTRY)
February 6, 2006... DID YOU KNOW? * According to a survey by Cotton Inc., the average American owns 8.:3 pairs of jeans. The average American teen, however, owns 11 pairs. Americans between ages 16 and 24 wear denim jeans or shorts 4.6 times per week. *...

7 steps to a sweet tooth: take the following true or false quiz to see how much you know about the velvety concoction called chocolate. Then, read the answers on the following pages to get the story of how chocolate goes from a bitter bean to a sweet Valentine's Day treat.(PHYSICAL: CHEMISTRY)
February 6, 2006... DID YOU KNOW? * The melting point of cocoa butler is just below the average human body temperature--37[degrees]C (98.6[degrees]F). That's why chocolate melts when you put it in your mouth. * The grayish blotches that you sometimes see...

Teen Life resources from A to Z.
February 6, 2006... For more information related to the A-to-Z news articles featured in this issue, check out the following Web sites: A Achy Feet * For more information about flip-flops and foot pain, read the press release from the American College of...