Materials
Ultramicroscopic technique may speed up diagnosis.
Theory tackles how glass remembers earlier forces.
Nanoparticles can prevent bacteria growth on medical equipment.
Droplets of water combine, and then jump from the insect's water-repellent wings.
First artificial ink is still blue, but now known to emit near-infrared rays when irradiated with light.
It flows like a liquid, but blood is also similar to the consistency of ketchup.
Nanotech material reflects light to display pictures without chemicals or electricity.
Scientists use multiple tests to prove the region where gems were mined.
The world's greatest buildings provide a window on great math and great design.
Toys' lead levels now closely monitored, but other metals don't receive the same oversight.
Clues to finding precious metal could include the composition of insect nests.
Harnessing the strength of natural glue from shelled filter-feeders.