The result is at once a technical tour de force and an unsettling puzzle. (discovermagazine.com)
The 8 July cover story features a nickel - sized artificial string - ray whose swimming is guided by light and powered by heart muscle cells: a «living» robot hailed as a technical tour de force. (sciencemag.org)
A technical tour de force, which involved creating primordial germ cells from mouse skin cells, is prompting scientists to consider attempting this experiment with human cells (scientificamerican.com)