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Airs Wednesday, Sept. 6, 2017 at 9 p.m. on KPBS TV

A storm chaser caught the formation of an extreme thunderstorm in Wyoming. It looks like it's out of a science fiction movie.

To figure out how the outbreak began, scientists decoded the genomes of Zika viruses in Brazil. The findings suggest Zika could be hiding out in other corners of the world.

They were talented, idealistic risk takers, on the road to what they thought would be important medical discoveries. But when the funding for risk-takers dried up, these two academics called it quits.

The business model for diversity teaches students about cultural preferences and how to avoid offense, but it is ill-equipped to unpack social group power dynamics.

There's a growing effort to actually test whether aid programs work. But how much has it accomplished?

After hearing from numerous teachers and students Tuesday evening, the San Diego Unified School Board voted to ensure resources are in place to expand ethnic studies within the district.

Something very big, out beyond Neptune, is warping the orbits of small, icy objects circling our sun. Astronomers haven't seen it yet, but say the culprit could be a planet with 10 times Earth's mass.

Even tiny amounts of lead in the water can cause IQ deficits in children or high blood pressure in adults.

As the Rosetta mission made history by putting a lander on a comet, one of its leading scientists drew wide criticism for wearing a shirt featuring lingerie-clad women.