BUSINESS

Total Lunar Eclipse Seen Across Eastern Hemisphere

For more than a decade, scientists have asked whether acetaminophen — the active ingredient in the painkiller Tylenol — could affect fetal brain development, causing problems in children like autism and A.D.H.D. Some studies have suggested that there is a link; others have found none. Now the latest study, a scientific review by researchers at … Read more

Dr. A. James Hudspeth, a neuroscientist at the Rockefeller University in Manhattan who was pivotal in discovering how sound waves are converted in the inner ear to electrical signals that the brain can perceive as a whisper, a symphony or a thunderclap, died on Aug. 16 at his home in Manhattan. He was 79. His … Read more