Scientists say the surface of the Earth is cracked like a giant eggshell. They call the pieces tectonic plates. As many as twenty of them cover the Earth. The plates float about slowly, sometimes crashing into each other, and sometimes moving away fr...
The World Health Organization is moving forward with a proposal to fight obesity around the world. The United States and other members of the W-H-O Executive Board voted last month to send the plan for final approval. However, the United States and s...
People living with AIDS and the virus that causes it can face rejection in their community and their jobs. Experts have created special programs to increase the acceptance of people with AIDS. One group, called the Change Project, has developed teach...
Health officials say one of the most important ways people can stop the spread of infection is to wash their hands well and often. Most people use soap and water. But others increasingly use products that let them clean their hands without water. Suc...
The Royal Plague Its good to be king, as the saying goes. But sometimes having a royal lineage isnt so great. Take the male descendants of Queen Victoria, who was the reigning monarch of the United Kingdom during most of the 19th century. Victorias s...
How To Lower Your Electricity Bill At the end of the day, just before going to bed, you go through the house to do an energy check. You make sure all the lights are off, the oven is cold, the iron is unplugged. So now youve done your duty as a good e...
Alternative Energy? Bugs And Biofuel One day, probably sooner than we like to think, oil production will peak. Then, gasoline prices will go not merely through the roof but up and away into unimagined heights. Before that happens, though, we could ha...
Blood Is Thicker Than Water In the 1960s, biologist William Hamilton became interested in the caterpillars of the cinnabar moth. Most caterpillars are heavily camouflaged to protect them from hungry birds. The cinnabar is an exception. Its covered wi...
Coffee And Caffeine: How Caffeine Makes You Feel More Awake Some people aren't able to function without that first cup of coffee in the morning. We'll look at how caffeine in coffee makes you feel more awake and alert. Soon after you drink a cup of c...
Sheep With Personality To boldly go where no man has gone before, are famous words from the science fiction series Star Trek. Being bold does tend to help people be successful in life, but what about bighorn sheep? Well, it seems Canadian scientists...
At times, we do an action based not upon logic and calm reasoning, but upon a feeling of strong emotion, such as anger, panic or fear. Later, we may regret what we did, and wish we had remained cool-headed long enough to have thought more clearly and...
Why Dogs Turn In Circles Before Lying Down Ever wonder why dogs turn around in circles before lying down? Almost all domestic and wild dogs show this behavior as they prepare to curl up and lie down. There are many legends that claim to explain this...
London Transport John: Hi, Im John. Today were going to find out all about public transport in London. Vicki has done some special reports for us about the different types of transport in London. For example, the Underground. The London Underground,...
A study has found that salmon raised in sea farms contain higher levels of pollutants than wild salmon. But the levels are still well within legal limits. The study took two years. It found higher levels of P-C-B's, dioxin and other chemicals in farm...
Cars And Lightning You may have heard that your car is a safe place to be in a thunder storm, and this is true. You might not know the reason for this, however.Well learn exactly what would happen if lightning struck your car. At first you might thin...
