
After decades of clean up, an invisible threat looms in the Detroit River.
Scientists and environmentalists like Robert Burns, Detroit’s Riverkeeper, are monitoring the Detroit river for PFAS, an invisible carcinogen.

Why the pandemic may be causing a rising tide of abandoned boats in the San Francisco Bay
In early November, two boats washed ashore on the rocks just off the Safe Harbor Emeryville. Days of strong gales from the Pacific coast delivered the pair — one a white recreational sailboat with a sharp green stripe across its bow, the other an open-air fishing trawler with blotchy paint and fading block letters faintly spelling "AUDREY" across the hull — within 48 hours of each other. The mysterious appearance of captainless boats on the rocks has many baygoers intrigued.

Plant Acoustics: or how nature is listening in
Plants may not hear the way we do, but they can definitely react to sounds like we do.