Numberplay: Answers Hang in the Balance

Monday, September 20, 2010 - 13:28 in Psychology & Sociology

A set of puzzles where you have to identify a heavier or lighter item from a group using a balance scale.

Read the whole article on NY Times Science

More from NY Times Science

Learn more about

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net