Subscribe to Scientific American to learn and share the most exciting discoveries, innovations and ideas shaping our world today.

A tricky brainteaser has stumped many because less than 15% of people can crack the riddle, according to the 1% Club. But can ...

Yahoo Sports TVyahoosports.tv is here! Watch live shows and highlights 24/7. Yahoo Sports DailyJason Fitz & Caroline Fenton bring you the top sports news to start your day. Yahoo Fantasy ...

The ASVAB helps the DoD not just determine whether you are a good fit to join the service, but also which service branch you might be best for and even what military jobs you can hold after you finish ...