Just tested it again. Shift+Delete works but Delete alone not. Perhaps it was changed since last time

I am using Linux, not sure if that makes any differrence.

the official method seems to be shift + delete

https://support.mozilla.org/en-US/kb/remove-websites-address-bar-suggestions?redirectslug=remove-websites-awesome-bar-suggestions&redirectlocale=en-US

Same but I just press delete instead of shift + backspace

U still have to pay 25 usd to play it though

I didnt even bother installing their stupid mobile appbto seeNSFW content

Helmholtz-Zentrum Berlin and her colleagues injected liquid piperazinium iodide i

When I read that I thought the article was a joke. Turns out there really is an chemical called piperazinium.

In all cases biggest challenge is thaving these chemicals stable enough to last for at least 20 years or so otherwise it won’t be worth buying. 31% effecieny is nice but still longevity is a big factor.