Geek_Nan
TIL: If you cut 2 different sponges up, disaggregate them (push them through a sieve), and mix the 2 cell-slurries together - the sponge cells reassociate with their own cells, but not cells of the other species. This is being studied to understand tissue repair and transplant rejection.
tandfonline.comSubmitted by Geek_Nan t3_116vvau in todayilearned
TIL: Asthmador was an asthma treatment in the US in the 1950s. It was made up of 3 toxic/hallucinogenic compounds belladonna (atropine), stramonium (nightshade/jimson weed), and potassium perchlorate (oxidant commonly used in fireworks). One common delivery method for Asthmador - cigarettes!
catobear.comSubmitted by Geek_Nan t3_yhlfzz in todayilearned
Geek_Nan OP t1_ja7mi0p wrote
Reply to comment by nicky7 in TIL: The concept of steganography which is the hiding of messages in plain sight. For example, Phyllis Latour Doyle (British spy) parachuted into France to spy on Nazis before D-day. She used knitting to record messages. by Geek_Nan
I think Morse code in knits and purls is a pretty on-point example …. And the needlework on silk strips