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News & Announcements Stairway to heaven DateNovember 11, 2004 Share Email Facebook Twitter LinkedIn Trending Fauci says herd immunity possible by fall, ‘normality’ by end of 2021 A poetic beginning Connection as an answer to turmoil Where are we now after a second impeachment? Plant-based diet may feed key gut microbes Staff photo Kris Snibbe/Harvard News Office The sun shines through an arched window in the Memorial Church, silhouetting a figure climbing the stairs.