Beware Of Text Neck! Remember when the Blackberry was all the rage, and people worried about straining their thumbs typing on that tiny keyboard? Well, now that the iPhone and other smart phones have taken center stage, theres another malady gaining...
What Is Whipped Cream? It adorns ice cream sundaes, pumpkin pie, gingerbread, and hot chocolate. Its sweet creaminess tantalizes taste buds and sends dieters running from the scale. Did you ever wonder why heavy cream whips into soft, light peaks? Yo...
Did You Know That Moose Can Have Arthritis? Its easy to tell, even at a glance, that people and moose are pretty different. Moose, at least males, have big, wing shaped antlers. People have no antlers. Moose are herbivores, eating only plants. We eat...
Freeze Suppose you are an animal. Well, actually, you are an animal, but suppose youre another kind of animal, maybe something small that might make a tasty snack for a larger predator. Youre walking along one day when you see a big dog. What do you...
How Neanderthals Fought Disease Every year people are encouraged to get their annual flu shots. Signs are posted at drug stores and clinics. Get your shots here. Modern preventive medicine has saved millions of lives. But you may be surprised to hear...
Why Do Zebras Have Stripes? For many animals, camouflage is an important part of survival. A leopards spotted coat and a polar bears white fur help them blend into their respective environments. But a zebras bold stripes cant help to disguise it in i...
When Continents Collide: The History Of Our Planet It was one of the Earths momentous times. Continents collided. Volcanoes erupted. Ocean currents shifted. Species ran amok. Twenty million years ago, North and South America were arranged in nearly t...
The Mathematics Of Middle-Age Spread Lets say youre an 18 year old male who runs every other day, logging 12 miles a week. Now fast-forward to your late 40s. Your eating habits are the same. To maintain your high school weight, how many miles a week...
Survival Of The Sluggish Silkworms have been bred over thousands of years to behave quite unlike their caterpillar cousins in the wild. Thats because people purposely breed silkworms to fit this job description: WANTEDSuperlative silk producers. Bene...
Secrets Of Silk Production Fifteen hundred years ago in China, silk production was a state secret. The silk trade was so valuable that anyone who tried to take silkworm eggs or mulberry seeds out of China was put to death. Then in 552 AD, two monks s...