GREAT MOMENTS IN SCIENCE: People need to avoid skin damage when they go to the beach, but many sunscreens include oxybenzone, but that’s bad news for coral, explains Dr Karl.
GREAT MOMENTS IN SCIENCE: It takes a unique series of weather factors to create the awesome power of lightning, explains Dr Karl.
GREAT MOMENTS IN SCIENCE: Did you know our Sun has long-lost siblings? Dr Karl runs through some surprising facts about that big ball of nuclear energy in the sky.
GREAT MOMENTS IN SCIENCE: Where does fat go when you put it on, and where does it go when you’re getting rid of it? Dr Karl has some unexpected answers to these questions.