The Greatest’ Muhammad Ali Dies at 74
Muhammad Ali, “The Greatest” boxer in history, died on Friday at the age of 74.
This Superbug Is Too Strong for Antibiotics
Doctors have identified a powerful bacteria that cannot be killed with antibiotics.
WHO: 80% of Urban Residents Breathe Unsafe Air
A new study finds that more than 80 percent of people living in cities are breathing unsafe air.
China Demands Halt to US Intelligence
China is telling the United States military to stop gathering intelligence along China’s coast after an incident involving aircraft from the two countries.
Researchers Develop Better, Cheaper, Faster Zika Test
A team of researchers say they have developed a new test for Zika virus.
400 Years After His Death, Shakespeare Still Popular
This spring marks the 400th anniversary of the death of British playwright William Shakespeare.
10,000 Girls Explore Science Careers
A science museum in Denver, Colorado is working to increase the number of American girls who grow up to be scientists.
Medical Mistakes, Third-Leading Cause of Death in US
A new report says medical errors are the third-leading cause of death in the United States.
Strangers Share Secrets Through Postcards
More than a million people around the world have told Frank Warren their deepest secrets.
Mystery Condition Makes Brothers Collapse at Sunset
Doctors in Pakistan are studying two brothers who seem in fine health during the day, but are unable to move when the sun goes down.