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Do plants grow as well under artificial light?
There are some differences between sunlight and artificial light - most artificial light doesn't emit as much energy in the red and blue region of the light spectrum as sunlight does.
September 17, 2009
Harry Gray: Solar fuel cells will create fuel from sunlight
Just as plants use sunlight to make their own energy, Harry Gray says his solar fuel cells could one day create enough fuel from the sun to provide the energy humanity needs.
September 14, 2009
Drew Endy: Synthetic biology for new genetic material
Drew Endy points to the development of an antimalarial drug as a successful product of synthetic biology. And talks about future goals of synthetic biology.
September 14, 2009
Will we ever fully understand ourselves?
Will we ever fully understand ourselves? This is a very philosophical question.
September 11, 2009
What causes the hiccups?
You might get hiccups if you laugh too hard, or eat spicy food, or if your stomach becomes bloated. And everyone has a favorite hiccup remedy.
September 9, 2009
Mark Mehos explains Concentrating Solar Power technology
Mark Mehos believes this technology - known as CSP - is particularly promising because it can store up energy to be used on cloudy days.
September 7, 2009
Reflective crops may curb global warming
How leaves are arranged in the canopy can make a big difference as to how much sunlight is reflected back from the reflective crops.
September 7, 2009
World population: 7 billion on the horizon
Global world population numbers are on track to reach 7 billion in 2011, just 12 years after reaching 6 billion in 1999.
September 2, 2009
Denise Bode has high hopes for American windpower
Denise Bode talks about the environmental and economic benefits of windpower, and urges the U.S. to adopt a national renewable electricity standard.
August 31, 2009
Science teachers in schools are dissatisfied
The current shortage of math and science teachers in the United States appears to be driven by the dissatisfaction of the teachers already on the job.
August 31, 2009
