New MIT research uncovers a surprising link between sleep deprivation and attention lapses. The brain releases cerebrospinal fluid to cleanse itself, but it comes at a cost: impaired alertness and slower reaction times.
As Hurricane Erick approaches Mexico's Pacific Coast as a Category 4 storm, officials issue red alerts for Oaxaca and Guerrero, prompting evacuations and flash flood warnings. Over 2,000 shelters are set up as the storm threatens severe impacts.
