China Is Unleashing a New Stealth Fighter, And It’s a Direct Challenge to America
With the lighter, cheaper jet, the People’s Liberation Army Air Force has become the second air force after the U.S. to ...
Scientists Discovered the Secret to Perfect Cell Division
These CENP-A proteins ensure that divided genetic information is kept intact during mitosis.
Parting Wisdom From Our Dear Friend and Colleague: Roy Berendsohn
Following an illustrious 35-year career with Popular Mechanics, he imparts his wisdom on life and all things DIY.
Archaeologists Found a Surprise Hiding in an Ancient Egyptian Tomb—A Second Body
One of the most famous tombs in all of Egypt was holding a family secret: another body.
Scientists Are Building the World’s Most Accurate Clock. It Could Be a Turning Point for Humanity.
The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...