Harriet Tubman is the New Face of the $20 Bill

After announcing last summer that they had plans to replace the face of Alexander Hamilton on the $10 bill with a woman, the US Treasury has finally settled on which woman to depict: Harriet Tubman. The historical abolitionist, civil rights activist and humanitarian will actually not replace Hamilton, though, as the Treasury has decided instead to add her to the $20 bill, along with Andrew …

Candid Portraits of Amtrak Passengers Traveling Across America

After a childhood spent working on a local freight line, photographer McNair Evans recently returned to his railroad roots for his photo series “In Search of Great Men.” He traveled across America on Amtrak trains, capturing portraits of fellow passengers while on board. The intimate images evoke a sense of longing and an underlying optimism. Strangers, some huddled under blankets, patiently wait to reach their …

How Artificial Intelligence Can Quickly Diagnose Cancer

While a viable cure for cancer may be still be decades away, researchers at the University of California Los Angeles have found a promising way to efficiently diagnose and prevent the disease. Using a special microscope and an artificial intelligence algorithm, they’re able to non-destructively identify cancer in a sample, significantly reducing the time and effort normally needed to diagnose. The researchers believe their method—which …