The worlds’ oceans have changed dramatically in the 50+ years that marine ecologist Jeremy Jackson has been studying them. Overfishing, pollution, and climate change have converted once-thriving ecosystems like coral reefs and mangrove forests into slime-covered wastelands. But Dr. Jackson has shed his former nickname of ”Dr. Doom” and now focuses …

The Titanosaur, Patagotitan mayorum, is the largest-known dinosaur to ever walk the Earth—weighing more than 10 African elephants. How did it get so big? How did it dominate the prehistoric landscape for millions of years? And what can this extinct animal teach us about our own future on this planet? Join paleontologist Diego Pol as he explores the…