Image caption: The tiny, spherical robots (shown in light yellow) collect bacteria (green) and small pieces of plastic (gray) from...
water purification
Photo caption: The user-friendly unit, which weighs less than 10 kilograms and does not require the use of filters, can...
Photo caption: Crab shells contain chitosan, a valuable compound with a broad range of applications. Photo credit: Krit Kongcharoenpanich via...
