Stimulating parts of the brain can help the paralysed to walk again
Implanted electrodes allowed one man to climb stairs unaided
The spinal cord is the control cable that connects the brain to the rest of the body. If it is severed, people lose the ability to move their body below the site of the injury. But if it is only partly cut, the brain can sometimes adapt to the damage. Some people who are paralysed by a spinal-cord injury can gradually regain at least a limited ability to walk.
Can anyone realistically challenge SpaceX’s launch supremacy?
And if its boss now tries to kill NASA’s own heavy lifter, will that matter?
Dreams of asteroid mining, orbital manufacturing and much more
Ideas for making money in orbit that seemed mad in the 1960s now look sane
Elon Musk is causing problems for the Royal Society
His continued membership has led to a high-profile resignation
Deforestation is costing Brazilian farmers millions
Without trees to circulate moisture, the land is getting hotter and drier
Robots can learn new actions faster thanks to AI techniques
They could soon show their moves in settings from car factories to care homes
Scientists are learning why ultra-processed foods are bad for you
A mystery is finally being solved