There is a centre in the nervous system that constantly tries to block human pain. When this internal brake malfunctions, some patients may experience pain spreading over large areas of the body, researchers say. For now, they have shown how the strength of pain increases.
The SARS-Cov-2 coronavirus dominated the year 2020, but a lot of interesting things also happened in science. For starters, a probe embarked towards the Sun, the Americans flew into Earth's orbit on a private shuttle, the legendary Arecibo Observatory radio telescope collapsed and record heat was recorded in Antarctica, to name but a few.