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Spend the 4th of July with OPB!

Join us for powerful storytelling to mark 250 years since the signing of the Declaration of Independence. Stream riveting historical documentaries including Lucy Worsley Investigates and Ken Burns’ The American Revolution and more with the PBS app on your favorite streaming device.

science environment

Researcher Uses Drones To Learn How Whales Respond To Noise Pollution

By Cassandra Profita (OPB)

Feb. 1, 2018 9 p.m.

What happens to whales' health when we fill their habitat with noisy ship traffic?

Tags: Science & Environment, Environment, Fish &Amp; Wildlife, Science, Whales