Daniel and Kelly talk about how elements were made in the early Universe, what processes are making more of them today, and why some elements are more common than others.

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Daniel and Jorge answer questions from listeners like you! Send your questions to [email protected]

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Daniel talks to experts about the waste produced by nuclear reactors, the dangers, risks and options.

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Daniel and Jorge dissect the history of this mysterious solar system object.

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Emergencies can happen anytime, and ER doctors need to be ready and rested to treat everything from cardiac events to gunshot wounds or broken bones. Their work could mean life or death for the patients in their care. NYC ER doctor George Russo shares how he finds time to rest despite long days and constantly changing shifts in order to put patients first, while pulmonologist and sleep advocate Dr. Seema Khosla weighs in on the benefits of regular sleep for the wellbeing of both doctors and their patients.

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Daniel and Katie talk about how to detect information carried by the ghostly neutrino, and how to send neutr-emails.

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Daniel and Kelly talk with Mary Robinette Kowal about the science of murder in space in her new book "The Spare Man" 

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Daniel talks to Dr. Arik Kershenbaum about what alien animals might be like, how they might sense and communicate.

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Daniel and Jorge answer questions from listeners like you, all about the particles around us.

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Daniel talks to Prof. Tim O'Connor about why the craziness of the world around us seems to resolve into things we can understand.

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