Isobel Yeung examines what's driving the media's battle over facts and the polarization of the U.S. public during the Trump era; Thomas Morton reports from the Central African Republic on the emerging field of microbiome science.

The episode was rated 7.51 from 152 votes.

Thomas Morton reports on advances in neurotechnology that could open up new avenues of human experience. Ben Anderson returns to Rio de Janeiro to check on social, economic and political conditions since Brazil hosted the 2016 Olympics and 2012 World Cup.

The episode was rated 7.51 from 77 votes.

An investigation of sexual assault on college campuses and why schools try to keep it off the record includes remarks by Sens. Kirsten Gillibrand (D-N.Y.) and Claire McCaskill (D-Mo.). Also: a report on the Ebola outbreak in Africa.

The episode was rated 7.50 from 126 votes.

As thousands of migrants make their way toward the United States, many face a grueling 60-mile hike along the Columbia-Panama border through one of the world’s most dangerous jungles. Paola Ramos travels to El Darién to meet with migrants facing robbery, rape and death on the road north; The police-worn body camera is a potent weapon against police brutality, but while sales have skyrocketed, it has yet to fulfill its promise as a silver bullet. Krishna Andavolu investigates body camera functionality, usage, legislation and impact.

The episode was rated 7.48 from 23 votes.

Krishna Andavolu embeds with U.S. Immigration and Customs Enforcement (ICE) to explore what it’s like to be an American kid growing up in the shadow of deportation.

The episode was rated 7.48 from 61 votes.

One year after the explosive allegations against Harvey Weinstein, the #MeToo movement has impacted everything from Supreme Court nominees and workplace culture to sex and dating. Isobel Yeung takes a searing, personal look at how we define consent, hold assailants accountable and start to move forward.

The episode was rated 7.46 from 61 votes.

Dexter Thomas visits the Democratic Republic of the Congo to explore the sport of catch fétiche and the emergence of women as its new champions. Charlet Duboc reports on alternative medicine in the U.S. and the country's wellness obsession.

The episode was rated 7.44 from 68 votes.

The future of recreational drugs. Sex-change surgeries in Iran.

The episode was rated 7.43 from 219 votes.

Gianna Toboni travels to the Myanmar-Bangladesh border to investigate what the future holds for the world's most persecuted minority; correspondent Aris Roussinos joins U.N. peacekeepers on a peacekeeping operation across the lawless Sahara desert.

The episode was rated 7.36 from 75 votes.

“Fast Food of Arabia” - Gianna Toboni travels to Kuwait, now one of the most obese countries on the planet, to witness the health effects on a country deep in the throes of an unlikely obsession with U.S. fast food. “Nollywood” - Thomas Morton explores the explosive productivity of Nigerian cinema, from DIY horror movies to big budget blockbusters, by becoming a Nollywood actor himself.

The episode was rated 7.35 from 250 votes.