Why does the brain of some people stay sharp into their 80s and beyond? An expert explains what 25 years of exploring the ...

Shop the best puzzle books for adults across categories, including logic, word, visual and variety puzzle books from Murdle, ...

There are 3 differences between the pictures of a skydiver jumping from a helicopter. Only those with the sharpest eyes can ...

Wrack your brain with some of the best puzzle games on steam, from top recommendations like Little Nightmares and Outer Wilds ...

Sharpen your mind with a quick spot-the-difference challenge! Two seemingly identical images of a sleeping old man hide three ...

A new study shows that combining exercise, healthy diet improves brain power. Simpler lifestyle changes like moving more and ...

I had thought today that I wanted to share a passage from a slim book that I received as a Christmas gift from my daughter. Inside the cover of "Cruciverbalism," ...