Regina G. Barber is a co-host of Short Wave, NPR's science podcast. Barber completed her PhD in physics at Washington State University with a focus in astrophysics, studying globular cluster systems.

Want to know when Jackpocket goes live in your state? Sign up to reserve your free lotto ticket. The Powerball jackpot rose to $142 million ahead of Monday night's drawing. Check here to see if it ...

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.

Stay up-to-date with the latest and best audio content from CBC Listen delivered to your inbox every two weeks.

Only show cars that can be delivered to me. Please enter your postal code in order to show cars that can be delivered to you.