The U.S. Food and Drug Administration approved drugmaker Eli Lilly and Co.’s radioactive compound to detect tau, an important characteristic of Alzheimer’s disease.

When they were kids, Simon Cherry and Ramsey Badawi both wanted to be astronomers, unlocking mysteries in far off galaxies. That didn’t work out for them. The pair still plan on unlocking mysteries but this time inside the human body.  They’ve received a $15.5 million grant to build the world’s first full body PET scanner. […]