The challenges are great because it's not just another meaningless programming test. Instead it's "week 1" of the internship, where you learn the background nec

The challenges are great because it's not just another meaningless programming test. Instead it's "week 1" of the internship, where you learn the background necessary to start work on the project. And even if you don't get the position, all those tasks are useful for a grad student in neuroscience or bioinformatics.