Signal Hill: Caterpillar Roadshow
11 April 2025 - 50 minsA couple years ago, an entomologist named Martha Weiss got a letter from a little boy in Japan saying he wanted to replicate a famous study of hers. We covered that original study on Radiolab more than a decade ago in an episode called Goo and You – check it out here – and in addition to revealing some fascinating secrets of insect life, it also raises big questions about memory, permanence and transformation. The letter Martha received about building on this study set in motion a series of spectacular events that advance her original science and show how science works when a 12-year-old boy is the one doing it. Martha’s daughter, reporter Annie Rosenthal, captured all of it and turned it in...
Return of Alpha Gal
Tuck your napkin under your chin. We’re about to serve up a tale of love, loss, and lamb chops - with a side of genetic modification.
56 mins
24 July Finished
Neither Confirm Nor Deny
Whether it comes from government spokespeople or celebrity publicists, the phrase “can neither confirm nor deny” is the perfect non-denial denial.
29 mins
17 July Finished
Atomic Artifacts
America represents many different things to many different people. What if you could only choose one thing, one physical object, to represent it all?
40 mins
3 July Finished
The Gondolier
What happens when doing what you love means giving up who you really are?
1 hour 13 mins
26 June Finished
This is Your Brain on Hormones
explicitWe don’t have hormones, hormones have us.
39 mins
19 June Finished