Learn how leeches attack from a researcher whose love of these blood-sucking worms takes him from Madagascar's rain forests to Africa's hippo-infested waters.
Did you know that in half an hour a leech can slurp up five times its body weight in blood? Explore these blood-sucking worms and their medicinal value.
I went on a class field trip to Fernwood Botanic Garden in southwest Michigan when I was in sixth grade. When we toured the restored prairie, the naturalist told us about invasive non-native plants such as garlic mustard and how they destroy native habitats...
Why send an email when you can deliver your message on horseback. Add your name and address—and anything else you want to—to these colorful stationery files.