Short acronym domain name perfectly suited for problem based learning situations.
Problem based learning is used from kindergarten through medical school, proven to be a more effective way to learn.
Domain name registered until August, 2018, and when renews it is at standard .science TLD rates (i.e. not premium renewal).
Why not put this to use by your educational institution, training program, publisher, or reference site?
Only available for push at Namecheap until Oct. 9. After that transfer to another registrar possible.