This interactive pan balance allows numeric or algebraic expressions to be entered and compared. You can "weigh" the expressions you want to compare by entering them on either side of the balance.

Saturday's DRF Race of the Day is Belmont at the Big A’s 6th race, the Grade 2 Woodward Stakes. Post Time is scheduled for 3:08 p.m. ET. David Aragona and Mike Beer analyze the race and share their ...

A middle school teacher’s casual use of the idiom “pot calling the kettle black” took an unexpected turn when her 6th-grade class reacted in horror, assuming the phrase was racist. The teacher, ...

The browser you are using is no longer supported on this site. It is highly recommended that you use the latest versions of a supported browser in order to receive an optimal viewing experience. The ...

Earth’s water is stored in ice and snow, lakes and rivers, the atmosphere and the oceans. How much do you know about how water cycles around our planet and the crucial role it plays in our climate?