Talk of the Nation

In Space Chronicles: Facing the Ultimate Frontier, astrophysicist Neil deGrasse Tyson writes of how space exploration--especially human voyages--can profoundly inspire scientists and technologists of the future, and charts the path for missions to Mars and beyond.

Proteus Biomedical has developed chip-in-a-pill technology that transmits patient data directly to a smartphone. Novartis has partnered with Proteus to investigate applications of this technology. C&EN senior editor Rick Mullin discusses how the nontraditional partnership is part of a larger trend.

In his book The Hockey Stick And The Climate Wars, Michael Mann discusses what he calls a well-funded campaign to discredit climate change. He describes efforts by opponents with ties to the fossil fuel industry to harass climate scientists and create doubt about climate change.

F. Murray Abraham stars in a new off-Broadway production of Bertolt Brecht's classic "Galileo." Brian Kulick, artistic director of the Classic Stage Company and the director of the play, discusses Galileo, (the scientist and the play) and tells why he thinks the themes in the work are still relevant today.

In Beautiful Souls: Saying No, Breaking Ranks, And Heeding The Voice of Conscience In Dark Times, journalist Eyal Press writes about "unexceptional people who took great risks" to help others.

The book profiles four individuals — a Serbian solider, a financial whistle blower, a Swiss police officer and an Israeli soldier — all unlikely resisters who end up going to great lengths to challenge authority.

Press talks with NPR's John Donvan about the things that inspire ordinary people to take a stand.