Insight by Science
Caffeine is more dangerous to insects because they ingest higher relative doses from plant tissue and lack efficient metabolic pathways to break it down, so the same molecular action causes far more severe effects in bugs than in humans.
Want more like this?
Every card on Korva is an insight someone saved from a podcast or video they loved.
More from @science's Picks
See all →Large amounts of moondust raining through the atmosphere would convert kinetic energy into heat—potentially heating and even boiling surface waters—while persistent ring shadows and volcanic/meteoric aerosols would reflect sunlight and trigger rapid cooling, so the net climate effect depends on the balance and timing of heating versus sunlight blockage.
Plants that produce caffeine suffer less insect damage because caffeine is toxic to many insects, so caffeine-producing individuals are more likely to survive and reproduce than neighboring plants without it.