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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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Canada's recreational marijuana industry might not be poised to meet demand in the first year of legal sales, according to some experts.
Strickland, whose research helped advance the field of laser science, is the only living female Nobel laureate for physics.
The White House quoted the president as telling ABC News reporter Cecilia Vega that she's "never thanking."
In the 1990s, the two scientists made key discoveries that led to the development of promising new cancer-fighting immunotherapy drugs.
Also known as the "Halloween Comet," a 2,000-foot-wide asteroid is expected to pass Earth on November 11.