Dr. Jeremy London is a heart surgeon and a heart attack survivor. He operates on diseased hearts, but like many people, he ignored his own symptoms of a coronary artery blockage until it became an ...

Feb. 11, 2025 — Patients aged between 50 to 70 years with a mechanical heart valve replacement had better long-term survival compared to those with a biological valve, new research has ...

Interactive activity: States of matter - AQA Learn about states of matter and see what happens when they change with this interactive activity designed for the GCSE AQA physics specification.

Density describes how closely packed the particles are in a solid, liquid or gas. There is little difference between the density of a liquid and its corresponding solid (eg water and ice). This is ...

Discover the role of data annotation in shaping AI models, from enhancing accuracy to adapting with automation for responsible, high-performing AI. Data may be the fuel of artificial intelligence, but ...