Most cell-based assays rely on high-powered microscopy to observe how cells respond to certain stimuli, but a research group at Purdue University is taking a different approach.
 
Using a digital holographic system based on a laser and a charge-coupled device, the research team led by physics professor David Nolte has demonstrated that it can observe how organelles move within tumor cells at the nanometer scale.
 

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Magdalena Skipper, the incoming editor-in-chief of Nature, speaks with NPR's Weekend Edition Sunday.

Genetic genealogy has led to an arrest in another cold case, dating back to 1987.

Wired reports that 23andMe is trying to bolster its outside collaborations.

In PLOS this week: mutation in second gene widens clinical symptoms of people with ADD3 mutations, comparative genomic analysis of Pseudovibrio, and more.