A key risk-management tool in the complex world of derivatives margin trading is variation margin. Variation margin is used to fully collateralize derivative contracts and ensure the stability of the ...

The Olympics are a celebration of athletic prowess, an event that incidentally highlights the diversity of the human body. Take height for example. Simone Biles, the GOAT, hurtled herself through her ...

Plant mutation breeding, also called variation breeding, is a method that uses physical radiation or chemical means to induce spontaneous genetic variation in plants to develop new crop varieties.

There is unexpectedly large variation in height growth in girls after their first period. Every second girl grows either more or less in length than the 6-8 centimeters that is considered standard.