Last month the U.S. Energy Secretary discussed the state of the global energy sector, including a growing divergence between American and European policies, with WSJ Deputy Editor in Chief David Crow.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

PSEN1 encodes presenilin-1, a subunit of γ-secretase, the aspartyl protease responsible for Aβ generation. More than 300 mutations in PSEN1 have been reported and mutations in PSEN1 are the most ...