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Stephen Johnson
Executive Editor, Big Think
Stephen Johnson is Executive Editor at Big Think. His writing has appeared in PBS, U.S. News & World Report, and newspapers and magazines across the Midwest. He lives in St. Louis.
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CFC-11 was banned worldwide in 1987 by the Montreal Protocol, but scientists have found increasing levels of the ozone-depleting chemical in the atmosphere since 2013.
Scientists are investigating whether it’s possible to give modern elephants an ancient boost by reviving woolly mammoth DNA—all to curb climate change.
A set of new studies that used large-scale computer simulations found that life might be more common throughout other universes than previously thought.
A new report from data company Wealth-X shows that the world’s billionaires enjoyed a sharp increase both in number and wealth over the past year.
The Trump administration is quietly bringing an end to NASA's Carbon Monitoring System, which builds high-resolution maps of the world's carbon flow.
Millions will watch on Saturday as Prince Harry marries retired American actress Meghan Markle, but a new poll suggests most Brits aren't interested in the affair.
In a commencement speech at Duke University, Apple CEO Tim Cook praised the "fearlessness" of the #MeToo movement and students in Parkland, Florida.