Musings on the natural world that will blow your mind (and make you mindful). If something feels hot, it's actually getting cooler. A shooting star isn't a star. It's a pebble about the size of an apple pit. At leat 500 billion atoms could fit in the period at the end of this sentence. These are just a few of the more than 100 thought-provoking tidbits you'll find in Zen Science, a collection of the most awe-inspiring things you never realized you didn't know about the natural world.