I made a alternative ver. for time machine today! I'm sick and have a cold these days, so I actually have time do make music, ...

There are currently two major types of relaxed-clock models. The first type assumes that the rate varies over time and among organisms, but that this variation occurs around an average value.

Missteps, Equipment Problems and a Common but Risky Practice Led to a Fatal Crash New details revealed by The Times show the complex failures on Jan. 29 before an Army helicopter crashed into a je ...

November 25, 2024 • Books We Love returns with 350+ new titles handpicked by NPR staff and trusted critics. Find 12 years of recommendations all in one place — that's nearly 4,000 great reads.