Could we spot an alien nuclear blast?

Daniel and Kelly talk about interspecific brood parasites - which are species that sneak their eggs into the nests of other, unsuspecting species. How do they get away with this?See omnystudio.com/listener for privacy information. 

Daniel and Kelly answer questions about black holes, duplicate organs and bubble Universes!See omnystudio.com/listener for privacy information. 

Is there life out there in the cosmos? Jorge talks to scientists about whether we are truly alone in the Universe.See omnystudio.com/listener for privacy information. 

Since the US bombing of Japan in World War II, the world entire has remained terrified of nuclear weapons. Even as scientists and scholars spent decades warning about the existential threat posed by technology that can literally end civilization, countries across the planet raced ...  Show more

Ray McGovern: How Close is the US to War With Iran?

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Fuchs’ plan to feed secrets to the Soviets is in jeopardy. The atomic bomb project is closely guarded. That means little contact with the outside world, especially his handlers.

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