In an experiment led by Dr. Zihao Ou, researchers used diluted tartrazine, otherwise known as FD&C Yellow 5, to see through the skin of live mice. The scientists rubbed the dye solution onto the ...
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.