Kristin Barry had wanted a tattoo for years, so when she finished her neuroscience PhD in 2019, she knew it was time. “It made sense that once I had my PhD, I would commemorate it this way ...

If you haven't heard of a tardigrade before, prepare to be wowed. These clumsy, eight-legged creatures, nicknamed water bears, are about half a millimeter long and can survive practically anything: ...