N95

Ramtin talks with filmmaker Ken Burns about the revolution that made the U.S., and the surprising lessons he thinks it holds for us today.Guests:Ken Burns, documentary filmmaker.To access bonus episodes and listen to Throughline sponsor-free, subscribe to Throughline+ via Apple P ...  Show more

The anniversary of the Declaration of Independence is just around the corner. Wanna get up to speed on the past 250 years? Check out our new miniseries, "America in Pursuit." Every Tuesday from now until July 4th, we'll feature a special moment from the last two centuries of U.S. ...  Show more

Peter Tsai isn’t exactly a household name, but his invention is. In 1995 he patented the fabric used to make N95 masks, which are one of the most effective face coverings to prevent the spread of Covid-19. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks to Tsai about the r ...  Show more

Masks are crucial, but not all of them are created equal. The N95 respirator mask has been the gold standard from the beginning, and our need for its efficacy is only becoming clearer. CNN Chief Medical Correspondent Dr. Sanjay Gupta talks about the latest guidance on mask wearin ...  Show more

The American Civil War saw a transformation in medical provision on the battlefield. A loose grouping of medical practitioners was reshaped into a burgeoning, professionalised occupation. How did the medical profession rise to the challenge of treating thousands of wounded sol ...

Masks, you may not have worn them before 2020 but now we’re all at it. With the rise of the Omicron variant countries have scrambled to reintroduce public health policies, among them mask wearing. Health officials and scientists agree that masks help reduce the incidence of covid ...  Show more