30/07/2019

Researchers report bio-inspired selective antibiotics

With multi-resistant germs becoming more and more of a threat, we are in need of new antibiotics now more than ever. Unfortunately, antibiotics cannot distinguish between pathogens and beneficial microbes. They can destroy ...

Flat lenses with a twist

Overlaying two film layers patterned with a nanoscale array can manipulate the propagation of light to create a powerful ultrathin lens.

Women's prisons: Why they do more harm than good

Sending women to prison, and removing them from their children and families, has long been seen as a contentious issue. Particularly given that women are predominately nonviolent offenders and tend to commit "victimless crimes"—such ...

Electrifying insights into how bodies form

At first glance, Mike Levin's lab looks like any standard biology lab with its shelves of petri dishes containing small, brown, semitransparent flatworms called planaria, one of the organisms his lab studies. Look more closely ...

Gatekeepers of the genome

Transcription factors control gene activation in cells. By binding to specific segments of DNA, they enable the blueprints that code for cellular proteins to be produced. But how are such factors themselves regulated?

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