Science, Tech & Environment

A MacArthur 'Genius' is working to clean up our polluting health care system

One aspect of being a genius is the ability to view things in a unique way. Twenty years ago, environmental health advocate Gary Cohen looked at the health care sector and saw a big problem with pollution. He also saw a way to fix it and he set out to do so. So far his success has been phenomenal. And now he is a recognized MacArthur Foundation 'genius.'

Science, Tech & Environment

A breakthrough may make the mega flow battery commercially viable in the near future

Wind and solar power have the potential to reduce the growth of greenhouse gases and slow the progression of climate change. But since the sun doesn’t always shine and the wind doesn’t always blow, the big hurdle in expanding the use of renewables is the lack of cheap and efficient storage of that energy. That could be about to change.