With brains six times larger than humans and most of their lives spent in the darkest depths of the ocean, sperm whales are largely misunderstood. Cecilia Vega searches the Caribbean Sea to find these massive mammals. Lesley Stahl travels to an island completely inhabited by monkeys. It’s not open to the public. Researchers have been studying the monkeys for decades. Learn about the behavioral scientific discoveries that may apply to humans. Sharyn Alfonsi reports from Costa Rica on sloths and their superpower of slowing down. Alfonsi examines how these mammals have mastered the art of survival for more than 60 million years and the new threats of climate change to the species.  To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices

While Iran’s backing of Hamas in Gaza and Hezbollah in Lebanon is widely known, the regime is quietly carrying out a shadow war in the U.S. and Europe, deploying proxy assassins to silence or eliminate critics of the regime. Britain’s head of counter-terrorism policing, Matt Jukes, tells correspondent Lesley Stahl they’re noticing a significant uptick in Iran’s efforts. In the U.S., Stahl meets some of the targets, including former White House National Security Adviser John Bolton and Iranian American activist Masih Alinejad. Correspondent Bill Whitaker reports from Kyiv on Russia’s continued war and what Ukrainians say is the deliberate destruction and looting of the country’s museums, churches and monuments – a strategy believed to come straight from the Kremlin – and a potential war crime. Whitaker tours the remains of shelled churches and bombed libraries and speaks with museum workers who are risking their lives to save Ukraine’s heritage. As the Justice Department winds down one of the biggest horse doping investigations in U.S. history, correspondent Cecilia Vega examines the wiretaps that helped solve the case and convict dozens of veterinarians, horse trainers and drug distributors. Lisa Lazarus, the woman heading up the new national regulator tasked with cleaning up horse racing, sits down with Vega to discuss the moment of reckoning and the sport’s future. To learn more about listener data and our privacy practices visit: https://www.audacyinc.com/privacy-policy Learn more about your ad choices. Visit https://podcastchoices.com/adchoices