Fetuses leave cells behind in their parents' bodies, where they braid themselves into tissues, and remain, for years. What are they doing in there?
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Sep 16
What happened before the big bang?
It's a question that seems impossible to grapple with, but scientists won't take no for an answer. In this collaboration with Scientific American, we take on the big bang and a whole bunch of seemingly impossible questions. Guests: Rachel Feltman, host of the Science Quickly podc ... Show More
26m 28s
Sep 14
What's the oldest story ever told?
An astrophysicist uses the motion of the stars to argue that a single story has been told for 100,000 years. A cognitive anthropologist has questions. Guests: Ray Norris, astrophysicist; Manvir Singh, cognitive anthropologist at the University of California, Davis For show transc ... Show More
27m 18s
Mar 2025
Ep 169 Pregnancy: Act 2
Content Warning: This episode includes mentions of miscarriage, pregnancy loss, pregnancy complications, traumatic birth experiences, and other potentially disturbing topics related to childbirth, pregnancy, and the postpartum period. The second episode in our pregnancy series ki ... Show More
1h 46m
<p>In this episode, we review the high-yield topic of <a href="https://step2.medbullets.com/obstetrics/120369/placenta-previa">Placenta Previa</a><a href="https://step2.medbullets.com/gynecology/121757/atrophic-vaginitis"> </a>from the Obstetrics section.</p>
<p>Follow <a href="h ... Show More
