Melody Petersen

November 20, 2020 at 6:00 am

At-home health tests are booming amid coronavirus, though experts warn safety and reliability is uncertain

The pandemic has been a boon for startups selling lab tests to anxious Americans who don't want to leave home for a doctor's visit. Some...

• Business

July 9, 2017 at 5:00 pm

Cancer entrepreneur who’s made billions is again embroiled in controversy

Said to be America’s richest doctor, Los Angeles billionaire Patrick Soon-Shiong also is a medical innovator and a basketball nut. He doesn’t shy away from...

• Business

December 17, 2016 at 5:31 pm

Return of marathon shifts proposed for young doctors

Doctors pushing for the change say that grueling hours prepare trainees for the future, when they will practice medicine unsupervised.

• Nation & World

March 9, 2016 at 5:21 pm

Treatment plants fail to kill superbugs from hospital sewage

EPA scientists say they have discovered a lethal superbug — the same one that caused outbreaks at UCLA and two other Los Angeles-area hospitals —...

• Nation & World

April 20, 2015 at 6:49 pm

Scope maker warned Europe long before superbug deaths here

The time lag is raising more questions about what the device maker knew of the health risk its hard-to-clean scopes posed to patients and why...

• Nation & World

January 4, 2015 at 9:21 pm

Before explosions, NASA knew aging Soviet engines could crack, leak fuel

Years before an unmanned rocket erupted in a fireball in October, NASA officials knew the metal in its 50-year-old Soviet-made engines could crack, causing fuel...

• Nation & World

December 12, 2014 at 8:06 pm

Congress OKs bill banning purchase of Russian rockets

For more than a decade, the United States military has depended on buying Russian-made rocket engines to launch its most crucial satellites. On Friday, Congress...

• Business