Episodes

The next generation of wireless is on its way. Experts explain the science behind the new tech, and why some are cautioning a slower rollout. Plus, researchers have discovered a new species of ancient human—but its placement on the human family tree is still up for debate.

Event Horizon Telescope scientists break down the first image of supermassive black hole and explore what lies beyond in black hole science. Plus, how astronaut Scott Kelly’s gene expression changed after a year in space.

Scientists tap into how trees move gallons of fluids from the ground to the atmosphere every day. Plus, a conversation with climate-focussed presidential candidate Jay Inslee.

Astronomers are trying to figure out how fast the universe is expanding. But two approaches are giving different answers. And for National Poetry Month, we examine science that waxes poetic.

The new face of the U.S. House Science Committee is putting her foot down over partisan bickering over science. And physician Eric Topol talks about how AI can allow your more quality time with your doctor.

Students across the world join together in the Youth Climate Strike to protest government inaction against climate change Plus, primatologist Frans de Waal catalogues the vast spectrum of emotional behaviors in animals.

NASA administrator Jim Bridenstine talks about agency ambitions beyond planet Earth. Plus, the story of how our skeletons evolved to look they way they do. And why gene therapy—not bone marrow transplants—could be one piece in the puzzle of neutralizing HIV worldwide.

Scientists are creating unnatural base pairs to better understand DNA—and create new medicines and fuels. Plus, a new book tells the story of the engineering missteps that led to the nuclear disaster at Chernobyl.

Four telescope projects have been nominated to be NASA’s next great observatory. But which will take home the coveted award? Plus, why do grapes spark in the microwave?

In the final installment of the winter Book Club, we wrap up exploring N.K. Jemisin’s “The Fifth Season.” Plus, materials scientist Mark Miodownik takes a look at the science behind many of the liquids we encounter every day.