Brian Gallagher

One question for Paul Sutter, a theoretical cosmologist at Stony Brook University.

One question for Joseph Silk, an astrophysicist at Johns Hopkins University.

One question for J.D. Haltigan, an assistant professor of child and youth mental health at the University of Toronto.

One question for Nita Farahany, a philosopher at Duke University.

One question for Anna Machin, an evolutionary anthropologist at Oxford University.

One question for Iris Berent, an Israeli-American cognitive psychologist at Northeastern University.

When the going gets tough, the tough get philosophical.

One question for Brett Hollenbeck, an economist at the University of California, Los Angeles.

One question for Sara Constantino, a psychologist and public policy researcher at Northeastern University.

One question for Christopher Barnes, a professor of organizational behavior at the University of Washington.