An American Nobel laureate has accused the US government of hindering scientific collaboration with China while praising Hong Kong and the mainland for their “tremendous respect” for science and academia. Randy Schekman, who won the Nobel Prize in Physiology or Medicine in 2013, also praised Hong Kong’s openness and “free spirit” compared with the mainland, while urging both regions to foster more creativity among youth. He made the remarks at a press briefing ahead of his keynote address at the...