Scientists have engineered tissue from muscle cells that can transmit electrical signals through the heart.
A device that can reveal if compounds are toxic to living cells could be a fast and accurate way to detect liver toxicity.
A new imaging method could show how cannabinoids affect diseases like schizophrenia.
Researchers want to make patient-matched stem cells, but success could depend on gaining a reliable source of human eggs.
Focused ultrasound waves can make a tiny, temporary hole in the barrier surrounding the brain.
Arrays of MRI detectors could help doctors pinpoint the tiny structural flaws behind epilepsy and other disorders.
This nanoparticle film could guide surgeons’ tools and help robots grip.
Electrically stimulating the cerebral cortex could help stroke recovery.
A new approach would stop ventricular fibrillation before it started.
Independent scientists and technologists review biogerontologist Aubrey de Grey's anti-aging proposals.