This Week I Learned

Ep. 31: This week I learned the CIA once hired psychics for intelligence gathering, and more

Episode Summary

Program Star Gate | Human-hunting vampire bats | Leonie, the asexual zebra shark mom | The dinosaurs' cold, dark death

Episode Notes

This week I learned the CIA spent two decades trying to harness the power of psychics, that vampires are hungry for humans now, that sharks can reproduce without mates, and that the dinosaurs died in frigid darkness.