Chemical 'waves' used to encode words as Morse code

> information transduction in chemical waves has never been shown before

I feel like transmission of action potentials along neural axons fits that description though? https://en.wikipedia.org/wiki/Action_potential

Paper: https://pubs.acs.org/doi/epdf/10.1021/jacs.4c00860

Reminds me of https://en.wikipedia.org/wiki/Delay-line_memory

> The scientists managed to communicate using recognisable formats such as Morse code and nucleic acid sequences.

Sounds like a mating ritual. Do I hear wedding bells?

Seems to be a very low data rate

.. -. ..-. --- .-. -- .- - .. --- -. / .. ... / .--. .... -.-- ... .. -.-. .- .-.. .-.-.-