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 ...

Feb. 2, 2026 NASA’s Perseverance rover has just made history by driving across Mars using routes planned by artificial intelligence instead of human operators. A vision-capable AI analyzed the same ...

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 ...