As the US sets its sights on establishing a permanent base on the moon, its foothold in an area of space much closer to home is growing more uncertain.
Explore 25 science experiments that defied the laws of physics, revealing mind-bending phenomena that challenge intuition.
A simple 5-minute power test and a bit of mathematics will spare you a costly trip to a performance lab for specialist VO2 Max testing.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results