NASA’s Artemis: A big step in sending humans to Mars
Reading Time: 5 minutes When NASA’s ambitious Artemis I project rocket—the agency’s most powerful launch vehicle ever—blasted into space from Florida’s Kennedy Space Center on November 16, scarcely more than a century ago automobiles and airplanes were still in their cradles. In a historical blink o
Why did the color violet go viral after 1863?
Allen Tager has spent the new millennium thus far trying to find out why the color violet is so difficult to find through thousands of years of human history—until suddenly it was everywhere.