A PLOS ONE study tested the real-world filtration efficiency of cloth masks, medical masks, and respirators, revealing large ...

If you were stewing over whether you should blast a bit of Botox into your face or not, you might want to have a look at what it did to this doctor first. Dr Bita Farrell bravely volunteered to be ...

Cut objects with a plane, or partition them into interlocking pieces for easy printing of large objects.