xkcd feeds.twtxt.net Sun, Mar 12 22:00 2023 (1y ago) Lymphocytes It's very hard to detect, but recent studies have determined that when plasma B cells are producing antibodies, they go 'pew pew pew' DownloadIt's very hard to detect, but recent studies have determined that when plasma B cells are producing antibodies, they go 'pew pew pew' ⌘ Read more ⤋ Read More