A new system makes getting an MRI–sometimes a dangerous experience for newborns in critical care–as easy as taking candy from a baby. Getting an MRI isn’t a pleasant experience. You enter a cold, ...

What happens when you take cells from frog embryos and grow them into new organisms that were "evolved" by algorithms? You get something that researchers are calling the world's first "living machine.

Michael Levin, a biologist at Tufts University, spends his days doing things such as coaxing flatworms to grow two heads or helping frogs regenerate lost legs. It may not seem like it, he says, but ...

ABOVE: Ada Calvin, 7, plays with a toy frog and a bubble machine Monday at Speckled Frog Toys & Books. Shelly Cassiday-Riesenmy and her daughter Erin Babb opened the toy store about a month ago.