HealthBrain stimulation device lets monkeys 'see' shapes without using eyes Two monkeys can see shapes without using their eyes after electrodes were implanted in their brains – a small step towards restoring some sight in visually impaired people News
HealthDo Oxford/AstraZeneca covid-19 vaccine results stand up to scrutiny? Doubts have been raised over the positive results released earlier this week by AstraZeneca and the University of Oxford from trials of their coronavirus vaccine. Here's what you need to know News