Mark wanted to know what it would be like to to bounce on a trampoline with 1,500 water balloons, so he built it, filmed it, and put it in slow mo!
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Can Mark safely drop an egg from space without it cracking from the fall?
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark takes on Ninja Kidz in a series of classic mini-game challenges!
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark de-mystifies 7 more scientific mysteries you never knew you wanted answers for.
Mark uses the science of air pressure to make sand act like a liquid.
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark explains 5 reasons why NASA (National Aeronautics and Space Administration) is important!
Lava vs Lasers - Which Is More Destructive?
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark discovers how difficult it is to trick a dog's sense of smell.
Mark shares 7 tips and tricks to take your Pinewood Derby car to the next level.
Mark challenges Colin Furze to a competition that brings Splatoon into the real world.
Mark built a dartboard that makes it impossible to miss!
Mark & Science Bob demonstrate a series of experiments and scientific demonstrations to make your Summer more fun (and educational!)
Mark got introduced to one of the most advanced wheelchairs in the world.
Mark uses science to find the loudest possible way to cheer on your team!
Mark shares his favorite party trick, so you can use it for your next barbecue!
Mark learns how to make the most disgusting water drinkable.
Mark gets introduced to a new delivery drone changing (and saving) lives.
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