McGill University researchers 3D print hydrogels directly onto vocal cords using one of the smallest bioprinters in the world.

Researchers at Worcester Polytechnic Institute are developing tiny drones inspired by bats for search and rescue missions. The aerial robots use echolocation, like bats, to naviga ...

I now have to wash my brother's bedsheets, because he was too afraid to get up and go pee., 于是我现在在洗床单，因为我弟弟吓得不敢去厕所了。