The formula H₂O shows that water is made from two atoms of hydrogen (H) bonded to one atom of oxygen (O). Katie: Time for some science. And today it's a chemistry classic, the periodic table.

FlowScore- a formula developed at Oxford University in collaboration with NHS Blood and Transplant - predicts how quickly red blood cells release their oxygen. This process is important for ...

University College London engineers worked with clinicians at UCLH and Mercedes Formula One to build the device, which delivers oxygen to the lungs without needing a ventilator. Continuous ...