Toutes les études scientifiques sur les pesticides: Malformations du sexe des bébés : une étude accuse les pesticides. DIYbio. Powell's Books - PowellsBooks.BLOG - Is Science As Important As Football? The subtitle of my new book, Mad Science, is "Experiments You Can Do at Home — But Probably Shouldn't.
" And I mean it! Although some of the experiments are perfectly harmless things a kid could do unsupervised (as long as you don't mind the monumental messes), others are not. Some would be very unwise for anyone but an experienced chemist to attempt. Micro R/C 4-Channel Flying Saucer. Phty9.th8.us: Here are a couple of ways to spend your 4th of July weekend!
Ice Cream: cool down with some homemade tasty treats! Sled On A Thread: Go fly a kite! Speed Demon: try and catch the world’s fastest paper plate! Underwater Scope: explore the oceans tide pools.