Chris Marshall has organized pop-up Sans Bars in New York, Washington, D.C., and Anchorage, Alaska. And he has expanded into permanent spaces in Kansas City, Mo., and western Massachusetts.
Julia Robinson for NPR
CRISPR technology already allows scientists to make very precise modifications to DNA, and it could revolutionize how doctors prevent and treat many diseases. But using it to create gene-edited babies is still widely considered unethical.
Gregor Fischer/picture alliance via Getty Images
Geriatrics is a specialty that should adapt and change with each patient, says physician and author Louise Aronson. "I need to be a different sort of doctor for people at different ages and phases of old age."
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Scientists exhumed 10 wooden braziers from eight tombs at the ancient Jirzankal Cemetery in what is now western China. Many of the braziers held stones that were apparently heated and used to burn cannabis plants.
Xinhua Wu/Science Advances