A Ph.D. student and his supervisor have developed a simple way to test for active life on Mars and other planets using equipment already on the Mars Curiosity rover and planned for future use on ...

"I really want to try this." Chef shares simple snack recipe using common kitchen waste: 'This is awesome' first appeared on The Cool Down.

"So cute!" Mom shares simple and creative hack using old paper towel roll: 'We can make something beautiful' first appeared on The Cool Down.