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9d
原创 19 世纪和 20 世纪初期著名的黑人发明家
托马斯·詹宁斯出生于 1791 年,被认为是第一位获得发明专利的非裔美国发明家。当他获得干洗工艺专利时,他才 30 岁。詹宁斯是一名自由商人,在纽约市经营一家干洗店。他的收入主要用于他在北美 19 世纪的黑人活动家活动。1831 年,他成为宾夕法尼亚州费城第一届有色人种年会的助理秘书。
guangming
6d
大吃也能瘦!美发明减肥疫苗 每周一针抑制增脂
根据《每日邮报》报导,与目前热门的减肥药物司美格鲁肽(Ozempic)不同,这款由美国科罗拉多大学研究团队所研发的新款减肥疫苗并非透过增加饱足感来抑制食慾,而是从源头阻止身体因发炎而变得容易发胖。
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