Articles on Synthetic biology

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Synthetic biology offers many tantalizing possibilities, but scientists consider some projects too risky to pursue. DBenitostock/Moment via Getty Images

Mirror life is a scientific fantasy leading to a dangerous reality − a synthetic biologist explains how mirror bacteria could conquer life on Earth

Synthetic cells that look just like natural cells but are chemically reversed could outcompete other living organisms − with dire consequences for human health and the environment.
Biobots could one day be engineered to deliver drugs and clear up arterial plaque. Kriegman et al. 2020/PNAS

Biobots arise from the cells of dead organisms − pushing the boundaries of life, death and medicine

Given the right conditions, certain types of cells are able to self-assemble into new lifeforms after the organism they were once part of has died.
Killer T cells (green and red), or cytotoxic T cells, surround a cancer cell (blue, center). NICHD/J. Lippincott-Schwartz

Anti‑cancer CAR‑T therapy reengineers T cells to kill tumors – and researchers are expanding the limited types of cancer it can target

Immunotherapy has the potential to eliminate tumors, but works best for select patients. Engineering T cells to bypass cancer’s defenses could help expand treatment eligibility to more patients.
While resurrecting dinosaurs may not be on the docket just yet, gene drives have the power to alter entire species. Hiroshi Watanabe/DigitalVision via Getty Images

‘Jurassic World’ scientists still haven’t learned that just because you can doesn’t mean you should – real‑world genetic engineers can learn from the cautionary tale

As genetic engineering and DNA manipulation tools like CRISPR continue to advance, the distinction between what science ‘could’ and ‘should’ do becomes murkier.

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