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Ashok Gadgil: Inexpensive inventions address big problems
Ashok Gadgil is known for his inventions, that can provide clean, cheap water for a thousand people, and a cooking stove for families in Darfur.
October 5, 2009
Mark Mehos describes solar power towers
The newly launched tower in Spain has over 1,200 mounted mirrors that follow the sun's path throughout the day. The heat energy from the sun powers a steam turbine to generate electricity, and can be stored for later use, says Mark Mehos.
October 5, 2009
Matt Wilson studies memories replayed in the brain
Matt Wilson was able to gain insights to the structure of memory, it seems to be composed of short segments, compressed and replayed in fractions of seconds.
October 5, 2009
Larry Kazmerski gives an update on solar energy
Larry Kazmerski says that enough solar energy beams down on Earth to power all that we do, so we need ways to convert it.
October 5, 2009
9 billion people on Earth in 2050?
Some population experts are now wondering if an often-cited number - 9 billion people by the year 2050 - is big enough.
October 4, 2009
How New Jersey’s sustainable oyster fishery got that way
Haskin Shellfish Research Laboratory on the New Jersey side of Delaware Bay assists the one sustainable oyster fishery on the East Coast.
October 2, 2009
Are viruses transmitted more easily when it’s cold?
There's a lot that's unknown about flu viruses, but flu season does happen in the winter so does a virus spread more easily when it's cold?
October 1, 2009
Do identical twins have the same fingerprints?
The prints of identical twins are more alike than the prints of two completely unrelated people - but they're not identical.
September 30, 2009
Shrimp greenhouses for sustainable aquaculture
Dr. Jim Diana has been researching a sustainable method of shrimp farming which can be done indoors and which can be done even in colder climates.
September 28, 2009
Jose Gomez-Ibanez on greater urban density and less driving
Jose Gomez-Ibanez studied the amount by which people living closer together - and driving less - can reduce the CO2 emissions to help global climate change.
September 28, 2009
