The elusive push-up. Seems just within your reach, but the minute you lift your knees off the ground, your entire body seems to give up on you. Spoiler alert: doing push-ups on your knees is not an ...

If you struggle with doing push-ups, I feel your pain. It wasn't until a few months ago that I could actually complete a full set of push-ups on my toes. I was fit and more active than most, but I ...

Negative mass is a hypothetical concept that says matter can exist with a mass opposite to normal matter. Instead of having a positive weight—1kg, for example—negative mass would weigh minus 1kg. This ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Push-ups are one of the most effective bodyweight exercises for building ...

You have mastered the standard push-up, but now you are stuck at the same number of repetitions. This plateau means your muscles have adapted and no longer face a challenge. To keep growing stronger, ...

The Standard Model of particle physics is currently our best understanding of how the universe works – but it only describes about five percent of everything in it. The rest is made up of what we call ...

Push-ups are a classic exercise to build strength even when you don't have gym equipment available, but not everybody can bang out rep after rep—sometimes you have to work on other exercises to build ...

Physicists have created a fluid with negative mass, which is exactly what it sounds like. Push it, and unlike every physical object in the world we know, it doesn't accelerate in the direction it was ...