Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that ...

1. Fast and Slow Piles. This works well as a starting or closing activity. Students sort math fact cards into fast and slow piles. This visual way of tracking facts highlights which facts come ...

At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental surgery. Follow her incredible story. Sixteen hours into a transplant ...

We've been studying them for millennia, so how far have we come?

Purdue Extension supports Indiana communities by providing educational assistance and training in agriculture, health, and human sciences while also promoting community development and guiding 4-H and ...