Ten states now have animal welfare laws requiring bigger cages for hens and livestock. We look at what these new rules could mean for food prices, farmers and how we raise animals in the United States.
Scientists are now able to manipulate matter at a molecular level and are working to create tiny mechanisms that have the potential to bring about the next technological revolution. A panel talks about the technology and how it could transform a range of scientific fields.
- James Ellenbogan principal scientist, nanosystems group, Mitre Corporation
- Ellen Williams physics professor at University of Maryland
- Don Eigler IBM Almaden Research Center
- Carlo Montemagno professor of bioengineering at Cornell University
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