They enable modern necessities such as cell phone signals, GPS and high-speed internet. About 25,000 are pieces of obsolete satellites, rocket parts and debris — space junk orbiting out of ...

The LUNA™ Automated Cell Counter can give you an accurate live ... distinguishes between live and dead cells and disregards debris. Individual cells in cell clusters are also successfully ...

The same dirt that clings to astronauts' boots may one day keep their lights on. Researchers created solar cells made out of simulated Moon dust. The cells convert sunlight into energy efficiently, ...

Microglia, the brain's immune cells, usually serve as diligent guardians. They eliminate intruders such as microbes and clear away cellular debris—including the plaques typical of Alzheimer's ...