Physicians Raj Panjabi and Seth Berkley are on a mission to ensure that every person in the world has access to decent medical care. In a conversation, they discuss the obstacles standing in their way and the bold ideas that could help overcome them.

When taxpayer money goes to companies with murky ownership, it may put lives in danger and support shady actors. The watchdog group Global Witness shows what can happen when a government ends up working with anonymous companies.

There’s no Academy Award for Best Color — yet — but this less-celebrated element of filmmaking is used to propel and convey the plot. Here’s how.

Katie Copeland

It’s one thing to read about segregation and the Civil Rights movement of the 1960s in books. But history comes to life when you hear from the people who were on the front lines.

Robert Fischell invented the rechargeable pacemaker and the implantable insulin pump — not to mention created the precursor to GPS. The 87-year-old shares a peek into his creative process.

Bigeye at Rapture Reef, a part of the Northwestern Hawaiian Islands Marine National Monument. Within this marine protected area, fish species can rebound. Photo by the NOAA National Ocean Service.

Given climate change, coral bleaching, ocean acidification and overfishing, it can be easy to feel depressed about our oceans. But when you look at the big picture of ocean health, good news emerges.

Ancient Peru was home to many cultures, most of them still mysterious. But as Sarah Parcak points her satellite-archaeology lens (and her new citizen-explorer project) at the Peruvian wilderness, the invisible past is primed to make a remarkable comeback.