SUPERMAN ASIDE, peeking inside a living body requires advanced technology. But even with the most sophisticated imaging techniques the resulting pictures are often unclear. Some things are obscured ...

NPR's Juana Summers talks with Regina Barber and Emily Kwong of Short Wave about "scuba-diving" lizards, a trick to turn a mouse's skin transparent and whether finger counting helps kids' math skills.

Stronger than plastic and tougher than glass, the resin-filled material is being exploited for smartphone screens, insulated windows and more. By Jude Coleman / Knowable Magazine Published Dec 14, ...