Thyroid hormone, which helps warm-blooded animals regulate body temperature, also appears to put a halt on heart regeneration. Christopher Intagliata reports.

Warm-Blooded Animals Lost Ability to Heal the Heart

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Meet Rachel Feltman, the new host of Science Quickly! Bringing a fresh perspective and infectious enthusiasm, Rachel will take you on audio journeys to far-off places, inspire you to ponder deep questions, and introduce you to people changing the world with science. 
Email us at sciencequickly@sciam.com if you have any questions, comments or ideas for stories we should cover!
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Science Quickly is produced by Rachel Feltman, Kelso Harper, Carin Leong, Madison Goldberg and Jeff DelViscio. This episode was hosted by Rachel Feltman. Our show is edited by Elah Feder, Alexa Lim, Madison Goldberg and Anaissa Ruiz Tejada with fact-checking by Shayna Posses and Aaron Shattuck. The theme music was composed by Dominic Smith.
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Introducing Science Quickly’s New Host, Rachel Feltman

Doctors are starting to prescribe vegetables or entire meals to ward off disease.
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Can Food Work as Medicine?

Amid Earth’s fourth global coral bleaching event, a leading expert says tackling climate change is the key to fighting back.
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Corals Are Once Again Bleaching En Masse, but Their Fate Isn’t Sealed

Ahead of a project to spray carbon dioxide into jungle plots, researchers contemplate what its results might signal about the forest’s future.
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Episode 3: A Long-Awaited Climate Experiment Is Poised to Launch in the Amazon. What Will It Find?

After years of delay, researchers are ready to inject carbon dioxide into jungle plots.
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Warm-Blooded Animals Lost Ability to Heal the Heart

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