Start Your NewsReadery Pro FREE TRIAL!

Register and verify your email address to start your NewsReadery Pro FREE TRIAL today!

Login / Register

cbsnews.com / Share Newsitem

View, share or embed this newsitem using the details below.
Calcea Johnson and Ne'Kiya Jackson surprised the math world when, as seniors in high school, they produced innovative solutions to a 2,000-year-old puzzle.
Continue
Please wait ...