Invasive carp threaten the Great Lakes − and reveal a surprising twist in national politics
Democratic governors and President Donald Trump agree to fight an invasion of non-native fish that has spread up the Mississippi River and threatens the Great Lakes.
July 1, 2025 • ~10 min
Toxic algae blooms are lasting longer in Lake Erie − why that’s a worry for people and pets
The blooms have become an annual problem in the Great Lakes. DNA studies show what’s growing there and why it’s dangerous.
June 26, 2025 • ~10 min
Toxic algae blooms are lasting longer than before in Lake Erie − why that’s a worry for people and pets
The risk of harmful algal blooms can be reduced. The biggest drivers of the increase are farm fertilizer and climate change.
June 26, 2025 • ~10 min
Fossilized footprints reveal 2 extinct hominin species living side by side 1.5 million years ago
Ancient fossil footprints are the first evidence of two different hominin species − Homo erectus and Paranthropus boisei − living in the same place at the same time.
Nov. 28, 2024 • ~13 min
Paddleboards, swim kit and fishing gear pose a biosecurity risk – here’s why
Portable paddleboards can transport unwelcome passengers – here’s how to minimise the risk of spreading invasive and non-native species between waterways.
July 3, 2024 • ~7 min
Losing winter ice is changing the Great Lakes food web – here’s how light is shaping life underwater
In winter 2023-24, the Great Lakes’ ice cover was near record lows, peaking at just 16%. Researchers explain how diminishing ice could have consequences for fisheries, and how species are evolving.
June 11, 2024 • ~8 min
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