Science Staff Writer Adrian Cho joins host Sarah Crespi to talk about plans for the next generation of gravitational wave detectors—including one with 40-kilometer arms. The proposed detectors will be up to 10 times more sensitive than current models and could capture all black hole mergers in the observable universe.

Sarah also talks with Pavani Cherukupally, a researcher at Imperial College London and the University of Toronto, about her Science Advances paper on cleaning up oil spills with special cold-adapted sponges that work well when crude oil gets clumpy.

This week’s episode was produced with help from Podigy.

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