Also coming up on Detroit Public TV, the latest episode of "Great Lakes Now" on Monday, March 27th at 7:30 PM, the team has reports on citizen science projects that measure changes in the night sky and the health of a river. Here's a preview. - [Voiceover] Coming up on "Great Lakes Now" citizen science the night sky can be mesmerizing but for many of us, the stars are disappearing. - The only stars that you can possibly see are the very brightest ones. - [Voiceover] Citizen scientists are helping to chart the changes. Counting up insect larva to measure the health of our waterways. - A lot of people really care about the river and wanna do whatever they can. - [Voiceover] And science projects around the Great Lakes.