In our latest science news roundup: how nature adapts, for better or worse. When faced with pests, plants may not be able to run away – but that doesn’t mean they’re defenseless. Some have thorns or spines, others have poisonous leaves or berries, and still others have…elaborate chemical defense alarm systems? In a <a href="https://doi.org/10.1126/sciadv.aec3229"target="_blank" >recent study</a>, researchers discovered that the common bean plant, P. vulgaris, has a particularly innovative response to hungry caterpillars: a compound in the caterpillar's spit causes the plants to release a chemical signal that attracts wasps. Those wasps then eat the caterpillars or lay eggs in their bodies, effectively removing the threat. Today on the show, we’re diving into plant science and a round of other new scientific studies with All Things Considered host Sacha Pfeiffer. If you're interested in the fibermaxxing episode Han mentioned, <a href="http://lnk.to/PcSZyC"target="_blank" >check it out here</a>. Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at <a href="http://plus.npr.org/shortwave"target="_blank" >plus.npr.org/shortwave</a>. See <a href="https://pcm.adswizz.com">pcm.adswizz.com</a> for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences. <a href="https://www.npr.org/about-npr/179878450/privacy-policy">NPR Privacy Policy</a>

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