This subscription-free smart ring with remarkable battery life isn't from Oura or Samsung
In my testing, the affordable RingConn Gen 2 lasted one week on a single charge - while delivering a range of competitive health-tracking features.
Most animals have their own version of tree rings. Here's how we biologists use them to help species thrive
We have a natural fascination with time—how landscapes have been carved over millennia, how our bodies grow and sag with age, ...