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: When it comes to storing heat, water is much more effective than air. Dr Karl explains why.
GREAT MOMENTS IN SCIENCE: The eye of a 45-million-year-old fly can increase the power output of a solar panel by 10 per cent. Dr Karl is inspired by how an ancient insect helped solve a modern problem.
GREAT MOMENTS IN SCIENCE: If you love smiley faces you’ll weep tears of joy about the news we’re about to get more emojis! Dr Karl reveals who holds the ultimate emoji power.