Kenneth Arrow asserts the economy is built on science

Hear Nobel laureate Kenneth Arrow talk abou the relationship between scientific innovation and economic progress. It is important to be informed.

Jo Pierce: ‘Private forests mean income, and much more’

Listen to Jo Pierce talk about his family's 2,000-acre forest in Maine, and the importance of respecting the land and preserving wildlife habitat.

Nerds: You really do have a chance

Are we women more likely to date an attractive, smart, creative guy or an attractive-but-dumb guy who can't strum a guitar and has never even attempted to write bad poetry?

Lori Hunter describes impact of HIV/AIDS on South Africa’s environment

Population scientist Lori Hunter talks about some of the broad impacts of the HIV epidemic in South Africa, including a possibly unsustainable reliance on local resources.

Alex deSherbinin on human migrations from climate change

Alex deSherbinin of Columbia University talks about the potential impacts of climate change on humans. Scientists believe climate change may force people in environmentally stressed regions to migrate.

Janaki Alavalapati on forests’ renewable energy potential

Janaki Alavalapati says that forest biomass - small diameter trees and brush cleared from forests - can be used to create liquid fuel.

Susan Cobey builds a better bee

Honey bees in the United States are in drastic decline. EarthSky spoke to bee breeder Susan Cobey of the University of California Davis about building a better bee.

Joel Cohen does the math on human migration worldwide

Every year, millions of people migrate from one country or continent to another. Joel Cohen uses mathematical models to map patterns in human migration.

Pedestrian engineering improves of public spaces

Michael Fishman of Columbia University uses the term 'pedestrian engineering' to describe a way of designing public space with walkers in mind.

Looking for excitement is wired into your brain

Would you rather go rock climbing, or stay home? Neuroscientist Mike Cohen said looking for excitement may be hardwired into your brain.

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