Regardless of IQ, people who work at complex jobs have a slightly higher chance of being better thinkers as they age, a recent study suggests.
A laboratory technician for the U.S. Centers for Disease Control and Prevention has been placed under observation for possible exposure to the deadly Ebola virus due to an apparent mix-up in lab specimens, the Atlanta-based agency said on Wednesday.
Doctors in Houston have decided to keep former U.S. President George H.W. Bush in the hospital for a fourth night since his bout with shortness of breath, though his condition has improved and he "remains in high spirits," his spokesman said on Friday.