Genetics

The Discovery Channel’s annual Shark Week is the longest-running cable television series in history, filling screens with sharky content every summer since 1988. It causes one of the largest temporary increases in U.S. viewers’ attention to any science or conservation topic. It’s also the largest stage in marine biology, giving scientists who appear on it access to an audience of millions. Being featured by high-profile media outlets can help researchers attract attention and funding that can help super-charge their careers. Unfortunately, Shark Week is also a missed opportunity. As scientists and conservationists have long argued, it is a major source of misinformation and nonsense about sharks, the scientists who study them, and how people can help protect endangered species from extinction. I am a marine biologist who worked with five colleagues in 2022 to scientifically analyze the content of Shark Week episodes. We tracked down copies of 202 episodes, w...

As recently as 50 years ago, the pit bull was America’s favorite dog. Pit bulls were everywhere. They were popular in advertising and used to promote the joys of pet-and-human friendship. Nipper on the RCA Victor label, Pete the Pup in the “Our Gang” comedy short films, and the flag-wrapped dog on a classic World War I poster all were pit bulls. With National Pit Bull Awareness Day being celebrated on Oct. 28, 2023, it’s a fitting time to ask how these dogs came to be seen as a dangerous threat. Starting around 1990, multiple features of American life converged to inspire widespread bans that made pit bulls outlaws, called “four-legged guns” or “lethal weapons.” The drivers included some dog attacks, excessive parental caution, fearful insurance companies and a tie to the sport of dog fighting. As a professor of humanities and law, I have studied the legal history of slaves, vagrants, criminals, terror suspects and others deemed...