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Each day, we breathe about 22,000 times--and all that time we smell. Scent historian Caro Verbeek recreates scents of the past. She says, just like music and art, smell is a part of our heritage.

Dinosaurs ruled Earth for 180 million years, but to dominate they had to outcompete a slew of other animals. Paleontologist Emma Schachner thinks their lungs could have been the competitive advantage

Known now as the mother of paleontology, Mary Anning's work was largely overlooked. But her research helped paleontologist Dean R. Lomax make groundbreaking discoveries about the ichthyosaur.

It's the stuff of nightmares, or science fiction: a parasite that wants to get inside an animal's mouth, where it attacks — and replaces — the tongue.

How can we have more productive conversations with people we vehemently disagree with? Civil rights activist Loretta J. Ross gives us the tools to call people in—instead of calling them out.

In the heart of urban Brooklyn, a 300-year old farmhouse still stands. Archaeologist Alyssa Loorya explains how artifacts found at the site trace the life cycles of New York City--from 1720 to today.

Architect Marwa Al-Sabouni says French colonial design segregated Syria's cities and laid the groundwork for division and civil war. The future of the country may depend on how it decides to rebuild.

Every twelve years, 100 million people descend upon a temporary city built for the Kumbh Mela festival in India. Architect Rahul Mehrotra says other cities can learn from this ephemeral megacity.

Earth's soil can store vast amounts of carbon. Biogeochemist Asmeret Asefaw Berhe says soil could be a powerful tool for fighting climate change - if only we stopped treating it like dirt.

What information is missing from our family narratives? For transracial adoptee Sara Jones, her Korean cultural roots were hidden until she sought answers on her own.