Cancer Warrior Judah Folkman is taking great strides in the war against this deadly disease at www.pbs.org/
wgbh/nova/cancer. Dr. Folkman shares how his research has grown and how it has changed the medical field in the Dr. Folkman Speaks section. Through microscopic footage in the Cancer Caught on Video section, you can learn about the differences between normal cells and cancer cells. Trace the advancements in cancer research throughout the years in the Accidental Discoveries section. In the Hot Science section, you can watch a Flash movie that explains the stages of cancer growth and how cancer spreads through the body. The Designing Clinical Trials section has information about the new drugs endostatin and angiostatin, which are now being tested on cancer patients. Knowledge is power in the fight against cancer, and this site is powerful.

Get in touch with your senses at Seeing, Hearing, and Smelling the World at www.hhmi.org/senses. You can view optical illusions and discover how they fool your sense of sight. Then find out how your brain remembers specific scents and associates them with certain events, places or people. Finally, watch images of the brain reacting to various spoken words. This site is sure to sharpen your senses.

Clean up your act at the American Museum of Natural History's Infection Detection Protection site at www.amnh.org/nationalcenter/infection. This squeaky-clean site tells all about microbes such as bacteria, viruses and protozoa. Varuni Kulasekera, a medical entomologist, shares important info about infections and how your body battles microbial invaders. Visit an online cafeteria to discover many of the places that germs and bacteria are found and what types of microbes are helpful in your life. Then learn how the flu virus originated and how flu shots can help you prevent catching the bug. And if you want to know how to avoid infectious diseases, the prevention convention section has 10 tips to help keep you healthy. Finally, play the infection game and see how microbes are spread from person to person. Go germ crazy at this awesome site.

Buzz with the bees and Lanakids at www.lanakids.com. This site, sponsored by Lanacane, reveals the secrets of staying itch free throughout the year. The summer brings a number of hazards, including mosquitoes, ticks, poisonous plants and bees. Load up on cool itch facts and swimming safety tips. Then learn how to avoid frostbite and why winter weather makes skin itchy. The winter "warm-ups" and the "freeze free" fun will keep you going all winter.

Smile at the birdy, then head to www.healthyteeth.org. Healthy Teeth is filled with great advice for a healthy smile. Learn about the different parts of your teeth. Get advice about how to brush and floss so you don't get cavities. You can also learn what fluoride is and how it works. Finally, try the cool experiments. Remember: Smile and the world smiles with you.

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