Inventions

Helmet worn at home shrank man’s brain tumor by a third
NASA interns designed a washing machine for astronauts
How robots could end animal captivity in zoos and marine parks
Japan breaks world record for fastest internet speed
The world’s first needle-free diabetes test
Hair-thin spine stimulator could relieve severe back pain
Blood test can quickly tell if a targeted cancer therapy works
Vibrating “thimble” could improve balance in seniors
These shelf-stable French fries last 90 days at room temp
Google unveils “magic window” for 3D video chat