A study has identified a metabolic switch in the immune system's T cells that is essential to the generation of memory T cells -- which confer lasting immunity to previously encountered pathogens -- ...

What good is a powerful computer if you can't read its output? Or readily reprogram it to do different jobs? People who design quantum computers face these challenges, and a new device may make them ...

Scientists are not usually an excitable bunch. So when many thousands of them gave a standing ovation at a conference in Chicago, it meant something special had happened. The applause was for the ...