How to have a hairwash in space? Astronaut Karen Nyberg reveals her ‘squeaky clean hair’ regime
Astronaut Karen Nyberg shared a video in 2012 showing how she washes her hair in space. She uses warm water, no-rinse shampoo, and a towel due to the ...
Scientists reveal how to pick out the cleanest cubicle in ANY public toilet (and why it is different for men and women)
It's a familiar puzzle that many of us face on an almost daily basis. When nature calls and your only option is a public toilet, which cubicle should you pick?