James Chen, CMT is an expert trader, investment adviser, and global market strategist. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech and strategic finance ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The shape of a distribution describes its overall form and symmetry. Common shapes include symmetric, skewed, and uniform. Symmetry: A distribution is symmetric if it can be divided into two ...

Abstract: Wind energy plays a key role in global efforts to use renewable energy, but the constant wind turbine efficiency under longtime operation is affected by a range of external, mechanical and ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.

It is well established that the suprachiasmatic nucleus (SCN) is the circadian pacemaker for many behaviors, including the sleep–wake cycle 1. A great deal is known about mechanisms underlying ...