Blaze@reddthat.com to Map Enthusiasts@sopuli.xyzEnglish · 6 个月前Life expectancy in 1800, 1950 and 2015files.catbox.moeimagemessage-square13fedilinkarrow-up1109arrow-down16
arrow-up1103arrow-down1imageLife expectancy in 1800, 1950 and 2015files.catbox.moeBlaze@reddthat.com to Map Enthusiasts@sopuli.xyzEnglish · 6 个月前message-square13fedilink
minus-squareKISSmyOSFeddit@lemmy.worldlinkfedilinkarrow-up9·edit-26 个月前Yes, and what caused the reduction in infant mortality? Soap. Or rather the revolutionary idea that it would be good if doctors and midwives used it.
Yes, and what caused the reduction in infant mortality?
Soap. Or rather the revolutionary idea that it would be good if doctors and midwives used it.