### id261665393 incubators are a low-tech intervention > Incubators for premature babies were not used until 1857. All that needed was a warm box, and their introduction reduced premature infant mortality by 28 percent. - [View Highlight](https://read.readwise.io/read/01fqpczfq2hv5xy4e4nq40h53x) - [[Review How To Invent Everything by Alex Irpan#id261665393 incubators are a low-tech intervention|View in Vault]]