The US spy agency aka NSA publishes on its website a riddle written by one of their employees that ordinary people can try and solve. They are all published in "Puzzle Periodical." Of course, some of them may be easy to solve but others demand solid mathematical knowledge or the ‘ability to think abstractly.’ Here are 6 of the NSA’s brain-teaser you can try your hand at. Give it a try!
Foreign students share their experience of living in Moscow dorms. It is not the best experience as very often there is minimal comfort and huge hygienic problems. Students share their beds with bedbugs and cockroaches plus there are frequent problems with leaky ceilings. Of course, these accommodations are not the first choice of students, but because of a very expensive rent in Moscow, they don’t really have a choice.