Fine-tuned brain-computer interface makes prosthetic limbs feel more real

You can probably complete an amazing number of tasks with your hands without looking at them. But if you put on gloves that muffle your sense of touch, many of those simple tasks become frustrating. Take away proprioception—your ability to sense your body’s relative position and movement—and you might even end up breaking an object or injuring yourself.

Eavesdropping on organs: Immune system controls blood sugar levels during periods of low energy

A study published in Science by the Champalimaud Foundation reveals a surprising new role for the immune system. During periods of low energy—such as intermittent fasting or exercise—immune cells step in to regulate blood sugar levels, acting as the “postman” in a previously unknown three-way conversation between the nervous, immune and hormonal systems.