A CT grocery chain is using a facial recognition system. It triggered debate on AI security systems.

With residents this month debating use of facial recognition systems at some Connecticut grocery stores, state lawmakers from ...
Nature

New surgical robots push precision past human limits

A tear in an ultra-fine blood vessel, just 100 microns wide — one tenth of a millimetre — must be meticulously repaired to restore blood flow to transplanted tissue taken from another part of the body ...