Science With Dr. Carl - Is the Relationship Between Atoms and the Universe the Same?

If you've ever listened to Science with Dr. Carl and you've got a question but you just can't ask it live, always feel free to send me a voice memo at Lucy Smith on Instagram. Joss from Scotland asks: Is the relative amount of stuff to know similar between atoms and the universe? We'll work out the numbers for you next week when we go to Scotland. Why does water taste very cold in your mouth if you're using menthol toothpaste? And what's up with those insects that are infesting our beaches?