Learners discuss the types of technology that are used to control the population of sea lamprey in the Great Lakes. They explain the parasite/host relationship and understand the devastating impact invasive species have on ecosystems....

It may be tricky for a young mind to conceptualize that less than 1% of all water on earth is useable for humans to drink. Simulating the amount of fresh water available on earth by removing measured amounts of water from a five-gallon...

Which of the following can you survive without for the longest time: water, food, or a positive mental attitude? The answer may surprise you. Guide learners of all ages through games, activities, and discussions about surviving in the...