
Focused laser beam could help scientists map connections amoung neurons that underlie behavior. Researchers at MIT and Paris Descartes University have developed a new optogenetic technique that sculpts light to target individual cells bearing engineered light-sensitive molecules, so that individual neurons can be precisely stimulated. Until now, it has been challenging to use optogenetics to…

Novel structures made with DNA scaffolds could be used to create solar-powered materials. By organizing pigments on a DNA scaffold, an MIT-led team of researchers has designed a light-harvesting material that closely mimics the structure of naturally occurring photosynthetic structures. The researchers showed that their synthetic material can absorb light and efficiently transfer its energy…

Researchers at MIT have developed a synthetic gene circuit that triggers the body’s immune system to attack cancers when it detects signs of the disease. The circuit, which will only activate a therapeutic response when it detects two specific cancer markers, is described in a paper published today in the journal Cell. Immunotherapy is widely…
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