Watching wildfire with radar, the return of race science, laundry and microplastic, submarines for your bloodstream and oxygen for airplanes.

Published: Nov. 15, 2019, 5:10 a.m.

New high-powered radar gives scientists a 3D view of wildfires in real time; The return of race science — the quest to fortify racism with bad biology; Your laundry and plastic pollution — which fabrics shed the most microplastics; Tiny submarines could make a 'fantastic voyage' into our bodies; How do high-flying airplanes have enough oxygen for their engines?