How do ants breathe?

What are stars made of? How do ants breathe? How does a person catch chickenpox? Why are sunsets and sunrises red? What are planets made of? How many bones in a human body? How do Earthquakes occur? IF the Earth's round, why don't we fall off? Why doesn't sand dissolve? How does a bird fly? This week Lester and Dr Chris are with the kids at the AKA snapshot study group to find out what they want to know...