Scientists in Switzerland made a sponge from cheesemaking waste that captures gold from discarded electronics — after dissolving metal parts from 20 old computer motherboards, they recovered enough to melt into a 22-carat gold nugget
Slime mould has no brain, no neurons and no central control, yet when scientists placed food at 36 locations matching cities around Tokyo, it grew a network strikingly similar to the rail system — with comparable efficiency, cost and resilience
All known life uses 4 DNA letters; UC San Diego showed an existing bacterial enzyme can accurately read and transcribe 8, doubling the genetic alphabet with synthetic letters