The New York Academy Of Sciences

Grizzly bears are showing up in an area of northern Manitoba where they've never been seen before. It's also an area inhabited by polar bears. Science and the City talks to the AMNH's Robert Rockwell about why the grizzlies are moving, and what it means for both bear species.

NYU's food guru Marion Nestle gives you a lesson in decoding food labels, holding big food corporations accountable, and choosing food wisely. She spoke as part of Science and the City's Girls Night Out series.

Science journalist and adventure-seeker Jeff Wise talks about his new book Extreme Fear: The Science of Your Mind in Danger.

Our circadian rhythms control everything from when we sleep and wake, to when we get hungry. Learn about what (literally) makes us tick, and hear about Carla Green's research into a circadian gene that could offer a cure for obesity.

We talk to two scientists at Hunter College who research different aspects of Autism Spectrum Disorder(ASD). Jason Dictenberg studies synapses in our brain, and Michael Siller looks at play-based therapies for autistic children. Both are on the cutting edge of new research in the field of autism.

Neuropsychologist Jeffrey Halperin is using behavioral therapy on preschoolers with attention deficit hyperactivity disorder (ADHD). He hopes to train their brains to develop in new ways and if effective, his therapies could offer permanent, drug-free treatment for the disorder.

Take an anthropological tour of the Silk Road exhibit at the AMNH with its curator, Mark Norell. The 4,600-mile trail was the most important trade route in the Eastern world for more than 3,000 years.

Researchers at Harvard have discovered why the headaches of some migraine sufferers worsen when the person is exposed to light. Rami Burstein, the study's senior author, explains what's happening in the brain, and how they made the breakthrough.

Helen Fisher, a biological anthropologist and chief scientific adviser for Chemistry.com, delves into the science of why we lust for some people and not for others. Fisher kicked off Science and the City's 2010 Girl's Night Out series.

Danish biophysicist Ole Mouritsen also happens to be an expert on, and lover of sushi. This week, we talk to him about his new book, Sushi: Food for the Eye, the Body, and the Soul.

We sit down with science photographer Felice Frankel and nanotechnology pioneer and Harvard chemist George Whitesides to hear about their new book on nanoscience, No Small Matter.

Nobel Laureate and neurobiologist Gerald Edelman, psychologist Paul Ekman, and anthropologist Terrence Deacon tell us how Charles Darwin has influenced science and their personal careers. View the Thirteen WNET video of this event here.

According to the New York City Panel on Climate Change, global warming could have a big impact on the five boroughs. Three experts discuss the Panel's recent findings, and tell us what weather and policy changes to expect.

Seven scientists and science-lovers Dean Kamen, Helen Fisher, Neil deGrasse Tyson, and more recommend their favorite science books, fiction and non, for you to wrap up and gift for the holidays (or maybe just read yourself).

Steve Quinn has crafted the dioramas at the American Museum of Natural History for more than 35 years. Hear how these amazing displays of art and science come together from the expert himself.

Gioia De Cari went to MIT for her PhD in mathematics. What she, got in addition to a degree, was an unexpected experience and material for her latest solo play Truth Values: One Girl's Romp Through MIT's Male Math Maze.

Foods high in antioxidants are believed to fight oxidative stress. But what is oxidative stress? Two scientists from a recent NYAS conference break it down and discuss whether antioxidants have superpowers.

Tour the AMNH's Extreme Mammals exhibition with its curator, John Flynn. Hear about mammals that lay eggs, wear armor, and sport headgear, just to name a few.

Richard Dawkins launches his newest book in the third Science and the City Provocative Thinkers in Science event. He argues evolution is an indisputable fact, despite nearly half of Americans believing the opposite.

Visit the lab of Hunter College's Jill Bargonetti, a biologist researching cancer. Her team studies P53, a natural tumor-suppressor protein found in our bodies with a Dr. Jekyll and Mr. Hyde personality.