From the Milwaukee-Journal Sentinel:

The cutting-edge “environmental” DNA sampling method that sparked a multistate lawsuit to force lock closures on the Chicago canal system has for the past year been dismissed by lock closure opponents as a junk tool. A big reason: The science behind it had never been peer-reviewed and published in a scientific journal.

That argument no longer holds water.

On Wednesday, the pioneers behind isolating DNA from water samples to confirm the presence of Asian carp in the Chicago canal system published their article in the peer-reviewed journal Conservation Letters. It asserts the survey tool is not only valid, but also that the risk of an Asian carp invasion of Lake Michigan is imminent. Read more.

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Summer on Lake Michigan is the best, and a little prep makes it even better. 🌊☀️Dangerous currents near piers and breakwalls surprise even strong swimmers. Here's what to know:✅ Swim in designated areas↔️ Caught in a current? Swim to the side — not against it — then to shore🆘 In danger? Call for a life ringSave this post and share it with your swim crew. 👇More Lake Michigan safety resources: link in bio 🔗
Got a research idea worth a bigger room? The 2026 State of Lake Michigan Meeting is accepting proposals for symposia and workshops, and we want to hear yours!📅 Nov. 4–6 | Michigan City, IN⏰ Proposals due June 1 at 1 PM ETHelp shape what the Great Lakes research community discusses this year.🔗 Submit at the link in bio.
To every educator who has brought the Great Lakes into their classroom, thank you. 🍎Your curiosity is contagious. Your lessons last. And the students who learn to love these waters? They’ll protect them.Happy Teacher Appreciation Week from all of us at IISG.