David Davis takes 'unusual step' of thanking Guardian for coverage of dual nationals – video

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MasterChef crisis: Wallace and Torode were 'never friends'

广藿香的“重生”,是南药种业攻关的一个缩影。作为藿香正气等中成药的核心原料,广藿香每年药用需求量达3万—5万吨。然而,由于长期依赖扦插繁殖导致种性退化,严重制约产业发展。詹若挺带领团队采用系统选优结合分子标记辅助选择的方法,成功选育出“粤藿1号”“粤藿2号”等优良品种,有效满足了产业需求。

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"That temperature is pretty nice here, really," he says. "Minus five is as warm as it gets. It can get down to about -40, but you're looking at about -20 being the average."

Stephen Co