some dinoflagellate, probably: "but what if I added more heterocycles?"
this is a toxin, ciguatoxin (one of the forms of), remarkable in its low effective dose (as low as 0.1 ppb), long half-life (it persists for many years¹) and the fact that it's apparently sexually transmitted², which I haven't previously seen said about a toxin.
also it looks neat.
Datamining a medieval medical text reveals patterns in ingredient choice that reflect biological activity against the causative agents of specified infections https://arxiv.org/abs/1807.07127
"This is the most extensive systematic assessment of effects of omega‐3 fats on cardiovascular health to date. Moderate‐ and high‐quality evidence suggests that increasing EPA and DHA has little or no effect on mortality or cardiovascular health" https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD003177.pub3/full
Sham acupuncture may be as efficacious as true acupuncture: a systematic review of clinical trials https://www.ncbi.nlm.nih.gov/pubmed/19250001
Self-management of Fatal Familial Insomnia. Part 2: Case Report https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1781276/
"Maternal kisses are not effective in alleviating minor childhood injuries (boo-boos): a randomized, controlled and blinded study" J Eval Clin Pract. 2015 Dec;21(6):1244-6 https://www.ncbi.nlm.nih.gov/pubmed/26711672
"Does previous use affect litter box appeal in multi-cat households?"
answer: no. "Results suggest neither malodor nor chemical communication play a role in litter box preferences … removal of physical/visual obstructions as the key factor"
also: did you know that the idea that humans have a poor sense of smell (compared to e.g. dogs and rodents) is a 19th century myth derived partly from religious politics of the Catholic Church in France
did you know general anesthesia works on plants?
"Mimosa leaves, pea tendrils, Venus flytraps and sundew traps all lost both their autonomous and touch-induced movements after exposure to anaesthetics."
did you know that plants have magnetoreception (and no one is quite sure why)
Arabidopsis thaliana grows slower in low light conditions if you put it into a set of Helmholtz coils and nullify the geomagnetic field https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6032911/
Memristor – The fictional circuit element (2018) https://arxiv.org/pdf/1808.05982.pdf
from the journal Astrobiology, which I hasn't realized before is an actual discipline and not just something from science fiction https://www.ncbi.nlm.nih.gov/pubmed?term=%22Astrobiology%22%5bjour%5d
Influence on photosynthesis of starlight, moonlight, planetlight, and light pollution https://www.ncbi.nlm.nih.gov/pubmed/16916290/
"Ionizing Radiation Changes the Electronic Properties of Melanin and Enhances the Growth of Melanized Fungi" http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0000457&_browser=1
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