All over the world, tonight, you can hear the sound of babies being examined for covert abnormalities. One of those tests would be the click-hip-thing, one pulse oximetry. Can we make pulse oximetry better though - well here’s an Archi that asks just that (https://adc.bmj.com/content/104/5/504). More babies could be found in those very special fish tanks with portholes - popping them out of those and into cots would be nicer for the families but maybe harder for the smallest children to grow and stay stable in temperature. The question you’re asking is clearly ‘but is 1.6kg big enough?’ … (https://adc.bmj.com/content/104/7/707.1)