After a hard day of bruising battle, ancient gladiators reached for a post-workout drink, according to an ancient account. New research backs that up. Stefano Bianchetti/Corbis hide caption

itoggle caption Stefano Bianchetti/Corbis

"We have a whole lot of power over what lives or dies on this planet and we have to think very carefully about what that means and how we're using it." -Juan Enriqez James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

And so continues Code Switch's battle with illustrating studies about the subtle biases that inflict our email outboxes. iStockphoto hide caption

itoggle caption iStockphoto

In one study, people who were in a buffet line served themselves a lot more of an unhealthful pasta dish if they were next to or behind a person perceived to be overweight. iStockphoto hide caption

itoggle caption iStockphoto

Dr. Allan Ropper speaks with residents and fellows as they do rounds at the neuroscience intensive care unit at Brigham and Women's Hospital in Boston. M. Scott Brauer for NPR hide caption

itoggle caption M. Scott Brauer for NPR