A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

Instead of jolting you awake, a sunrise alarm clock will help you gradually wake up with its gentle light and sounds. Nasha Addarich Martínez Managing Editor Nasha is a Managing Editor for CNET, ...

This week-long intensive immersion course provides participants with theory and hands-on training with leading-edge simulation skills. Exploring state-of-the-art computerized manikins (Human Patient ...