If all the matter in the universe was pushed into one corner, how much space would it take up? Listen in as Marshall Brain explores the size of the universe in this podcast from HowStuffWorks. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

Should you turn your computer off when it's not in use?

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.