In a world where people are suddenly running short of hand sanitizer, my mind turns to hospitals and doctors’ offices, and the steps they need to take to make sure their tools and instruments are clean and ready for use....

On our building tour, we have a strange looking block of metal. It’s aluminum but with an interesting texture to its surface. I like to make a show of lifting the block with difficulty and handing it to someone I’m...

I had the coolest job in the world for a while. I helped assemble the International Space Station from one of the consoles in Mission Control as a senior member of the ISS electrical power flight controller team. A lot...

The most amazing science stories often start with simple questions that launch significant inquiries. For several years, scientists have known that in Antarctica, the rivers and lakes are under the ice instead of on top like we’re used to here...