Diseases, Conditions, Syndromes

Hong Kong scraps mask mandate after almost 1,000 days

Hong Kong is scrapping its mask mandate from Wednesday, Chief Executive John Lee announced, ending the financial hub's last major Covid curb as it seeks to emerge from the pandemic.

Psychology & Psychiatry

How common is face blindness?

Face blindness, a mystifying condition that can trick us into believing we recognize people we've never met or make us fail to recognize those we have, has been previously estimated to affect between 2 and 2.5 percent of ...

Surgery

Bioengineered skin grafts that fit like gloves

If you've ever tried giftwrapping an odd-shaped present like a teddy bear, you can appreciate the challenge that surgeons face when grafting artificial skin onto an injured body part. Like wrapping paper, engineered skin ...

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