The ethics of driverless cars

Studies estimate that at least 380 million semi- or fully-autonomous vehicles will occupy roads by 2030. While driverless cars are projected to increase efficiency and reduce traffic, they also raise important ethical questions. Reporter Andrea Vasquez discusses some of these questions with Shannon Vallor, Professor of Philosophy at Santa Clara University.

What it means to be a theoretical astrophysicist

Humanity’s passion for discovery has been exemplified by scientists and philosophers like Galileo and Einstein. But how have their scientific ideas shaped our understanding of the cosmos today? Theoretical physicist and Yale University professor, Priyamvada Natarajan, joins Hari Sreenivasan to discuss the scientific theories and how they gain acceptance.