Facial recognition technology is everywhere, from your smartphone to the grocery store to city streets. But do we really want to be constantly tracked? Law enforcement finds it immensely helpful, but many experts say it’s a massive invasion of privacy that needs limitation. Experts discuss.
Wild animals carry out “criminal acts” with amazing frequency, ranging from simple breaking and entering to theft to manslaughter. Wildlife managers spend much of their time trying to prevent these acts or clean up after them. Noted science writer Mary Roach discusses animal criminals and how human behavior is encroaching on wildlife habitat, forcing them into more criminal acts than ever.
An influential government task force issues new advice about low-dose aspirin. Plus, a study finds that people with natural immunity to Covid-19 don’t have it for very long. And finally, safe sex is still important--a quarter of people with STDs don’t tell their partners.