Public
- Public
- Network
- Groups
- Featured
- Popular
- People

Conversation

Notices

Embed this notice
Huoneesta kuuluva Piersin ääni (stoori@polyglot.city)'s status on Friday, 02-Dec-2022 04:52:12 JST Huoneesta kuuluva Piersin ääni
in reply to
- Fedi Mercury
@kirjis those famous british seamen

In conversation Friday, 02-Dec-2022 04:52:12 JST from polyglot.city permalink
- hypolite likes this.
- Embed this notice
  Fedi Mercury (kirjis@polyglot.city)'s status on Friday, 02-Dec-2022 04:52:13 JST Fedi Mercury
  
  During World war I, British spies used semen as invisible ink. Sir Mansfield Cumming invented this method.
  https://museumfacts.co.uk/british-spies-semen-ink/
  
  In conversation Friday, 02-Dec-2022 04:52:13 JST permalink

Feeds