How to eavesdrop on kelp
Listening to underwater forests could help monitor ocean health
![kelp bed](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/07/063017_RE_kelp-forest_main_FREE.jpg?fit=860%2C460&ssl=1)
HEAR THIS Projected sound reverberating through a kelp bed can tell scientists about the ecosystem, a new analysis shows. The approach may lead to a cheap, efficient way to monitor the health of kelp forests.
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