Which nail shape you go with depends mostly on your preference and personality, but there are a few things to keep in mind before heading to the salon or picking up a file. “Choosing the best nail ...

Rose petals' unique shapes come from stress during growth. Differential growth and mechanical stresses create curled edges. Research shows petals violate a mathematical condition, causing stress.

Using magnetic cameras, researchers at Linköping University, Sweden, have examined blood flow in an artificial heart in real ...