The Pulse Archive

A Harvard researcher is sending up red flags about a popular class of supplements, some of which contain amphetamine-like drugs.

Advances in science don’t just happen — sometimes, real progress requires heroic measures. On this show, we explore the lengths peopl ...

In remote British Columbia, biologists document species that have adapted to the cold. The goal: create a baseline for the region before climate shifts change the ecosystem.

A film documents the work and adventure of African American astrophysicists.

Medicine, healthcare — even illness — vary from country to country. Those differences are driven by tradition, culture, even politics ...

Alan Yu heads home to Hong Kong to investigate the ways acupuncture is used in the medical system there.

Visitors line the hallways — even sleep on the floor — anxious for loved ones to recover. Noora Health trains overflow family to care for patients once they return home.

Technology helps us run our lives, do our jobs, get directions and keep track of our calendars. Right? Or, is technology taking control o ...

A senior center in Queens, New York offers dialectical behavior therapy —combining modern therapy and eastern philosophy to fight depression, anxiety.

In 2002, when a giant study ended, lots of women threw their estrogen pills in the trash. In her late 50s, Barbara Paulsen reexamines the latest evidence for herself.

It’s been a year since Hurricane Maria swept through Puerto Rico, destroying lives and reducing many communities to rubble. The storm a ...

In Puerto Rico, a group of farmers help each other rebuild and prepare for the coming hurricane season.

More than half of the island's beaches are losing sand. That's a problem when most of the population lives along the coast.

As hurricane winds swept across Puerto Rico, journalist Syra Ortiz-Blanes watched from Philadelphia, unsure if her family back home was safe.

One of the most complicated pieces of technology — the power grid — is no match for the forest.