News tagged with human lung

Flipping the 'off' switch on cell growth

A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...

Feb 22, 2013
4 / 5 (9) 5 | with audio podcast

Nickel nanoparticles may contribute to lung cancer

All the excitement about nanotechnology comes down to this: Structures of materials at the scale of billionths of a meter take on unusual properties. Technologists often focus on the happier among these newfound capabilities, ...

Aug 23, 2011
5 / 5 (1) 1 | with audio podcast

A digital version of you

When NASA's Mars Rover Opportunity sends a photograph of the alien landscape back to Earth, it relays the information as digital data, a series of ones and zeros that computers assemble into pictures that ...

Mar 12, 2014
5 / 5 (1) 2