John Summa is the founder of OptionsNerd.com and has authored a number of books. He has 6+ years as a chief economist and derivatives strategist. Timothy Li is a consultant, accountant, and finance ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

The Feast of the Presentation of the Blessed Virgin Mary, celebrated annually on November 21st, commemorates the presentation of the Blessed Virgin as a child by her parents in the Temple in Jerusalem ...

Robert Burakoff, MD, MPH, is a board-certified gastroenterologist who serves as vice chair of Ambulatory Services at Lower Manhattan Hospital and professor of medicine at the Weill Cornell Medical ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Sleeping on the left side can help align the spine and reduce acid reflux. Back sleeping keeps the spine aligned but may worsen sleep apnea and snoring. Right-sided sleeping may improve heart health ...