However, when Erbacher looked at skin tissue under the microscope, he noticed that nerve fibers did not just grow around skin cells but, to the whole team’s surprise, tunneled straight through them.

Why do our mental images stay sharp even when we are moving fast? A team of neuroscientists led by Professor Maximilian Jösch ...

Usually, we can't see any of this. Read more: The best microscope photos of the year reveal a strange and hidden universe in astonishing detail For the 45th year of the contest, four judges ...