Hear Ernest Shackleton Speak About His Antarctic Expedition in a Rare 1909 Recording https://t.co/iL4PQGz3M0 pic.twitter.com/Hpqi52cpEn

— Open Culture (@openculture) June 17, 2016

Sidwell Friends School Bans Redskins Merchandise https://t.co/ZhrxQjGorZ pic.twitter.com/akRUAHQ9SN

— Washingtonian (@washingtonian) June 17, 2016

Diary of Leo Tolstoy, between 1891 and 1895.
“The two most powerful warriors are patience and time.” pic.twitter.com/BSvD6aLybS

— Bibliophilia (@Libroantiguo) June 17, 2016

Thomas Hardy (1840-1928), English novelist and poet, in his study at Max Gate, Dorchester, Dorset. pic.twitter.com/EgNyXsQ3tu

— Bibliophilia (@Libroantiguo) June 16, 2016

So cool. @Caltech put me up in the room Einstein used when he would visit here. https://t.co/bjDtRWamEZ pic.twitter.com/QVmo46DbQp

— Atul Gawande (@Atul_Gawande) June 10, 2016