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Karen Goldberg trying to make natural gas more accessible
Karen Goldberg says her guiding principles are to create less waste, fewer toxins, and more energy efficiency in chemicals and fuels.
November 2, 2009
Reza Fazel says medical imaging carries risks
Reza Fazel found that CT scans and nuclear medicine scans tests that use radioactive tracers inside the body contribute the most to higher doses of radiation.
November 2, 2009
What are circadian rhythms?
All animals have cycles of daily activity, called circadian rhythms. It's run by an internal biological clock that senses when the day begins and ends.
October 29, 2009
Christopher Flavin says wind power surging
Christopher Flavin said over 40 percent of the new generating capacity added in the U.S. last year is from wind power. It's surpassed a little by natural gas.
October 26, 2009
Jeffrey Sachs on feeding 9 billion people by 2050
Jeffrey Sachs, is concerned that in the future, the demands of the human population will outstrip the Earth's ability to provide food.
October 26, 2009
Michael Balick: ‘We’ve identified critical habitats of medicinal plants’
"If all the world's plants were studied for their medicinal value, we could increase the number of medicines available by tenfold," says Michael Balick.
October 19, 2009
Tom Tomich: ‘How are we doing on global food production?’
Tom Tomich said that agriculture isn't just about how much food we grow. It's also about people's health and livelihoods, global economics, and resources.
October 19, 2009
Berni Alder: early work lets scientists simulate nature
"There's no higher high that you can get than working in science and achieving a goal that's been waiting there for a long time," says Berni Alder.
October 19, 2009
Benito Fernandez builds robots that learn from experience
"I think a lot of people have seen too many Hollywood movies about Terminator, that they're going to take over," says Benito Fernandez , "But it's a tool that is here to stay."
October 19, 2009
Philip Pardey on agriculture meeting world’s future demand
Global population might reach 9 billion by 2050. "The big picture is that we're trying to match the growth in the supply of food," says Philip Pardey.
October 12, 2009
