1Ask HN: Can you detect heartbeat rate from a videoOf the person holding the camera (maybe through micro vibrations) it would of course depend on camerashow more3zzzcsgo2y ago2Save
2Israel says it will allow limited deliveries of fuel to Gaza for aid needs (opens in new tab)(npr.org)1zzzcsgo2y ago0Save
3He lived without lungs for a day. How a transplant operation saved him (opens in new tab)(npr.org)4zzzcsgo2y ago0Save
