Our genes strictly dictate our personalities, appearance and diseases. Or do they? Research has revealed that genes can turn on and off; they can be expressed for years and then silenced. Sometimes, they are never activated. And these genetic instructions—how and when DNA is read—can be determined by the experiences of one’s ancestors, even those several generations back.

In celebration of the 100th anniversary of Einstein’s general theory of relativity, we examine its essential insights, its lingering questions, the latest work it has sparked, and the allied fields of research that have resulted.

Deep in the oceans, marine biologist Marah Hardt counts coral, sea urchin, and fish and looks for patterns to understand what makes reefs sick or healthy. Create a coral reef …

What happens when a simple mistake becomes a huge scientific discovery? You end up with a substance 100x stronger than a man of steel!  

Food scientist Amanda Kinchla’s innovation happens in the lab…and in the kitchen as she uses science to create new and nutritional foods and food safety solutions. Episode filmed live at …

Does your dog really think and feel like a human? Do our closest primate relatives have brains and emotions similar to ours? What about the storied intelligence of dolphins and singing humpback whales? And do other species hold surprises for us if we’re willing to look closely?