Ray-finned fishes evolved bioluminescence at least 27 chemistry and others by housing luminous bacteria, a repeated evolutionary experiment spread across deep-sea, inshore and reef lineages using different molecular machinery to make visible lightJuly 22, 2026
Cognitive scientists have a name for the moment you finish a page and realize you took in none of it, and a Harvard study that caught people’s thoughts at random found the mind wanders off from whatever the body is doing for almost half of waking life. Saving Tips May 28, 2026 Most people know the experience. You reach the bottom of a page, and you realise you have absorbed nothing. Your…
