Listen to stories on social networking in whales, a pulsar's affirmation of general relativity, monitoring TB in North Korea, and more.
In this show:
How many animals besides humans are capable of learning from their peers? Luke Rendell discusses evidence for the cultural exchange of feeding behavior in humpback whales.
John Antoniadis introduces us to a highly unusual pulsar that validates Einstein's general theory of relativity despite its extreme environment.
Richard Stone describes the state of tuberculosis treatment in North Korea, a country that has one of the highest TB rates outside of sub-Saharan Africa.
Finally, a run-down of some of the week's stories from ScienceNOW and ScienceInsider.