Dawei Liang News Today

The development of effective solar cells, which use sunlight to create electricity or hydrogen by splitting water, has attracted a lot of interest worldwide.

As the terror of COVID struck, health care workers struggled to survive. Thousands lost the fight. Workers at Garfield Medical Center in suburban Los Angeles were on edge as the pandemic ramped up in March and April. Staffers in a 30-patient unit were rationing a single tub of sanitizing wipes all day. A May memo from the CEO said N95 masks could be cleaned up to 20 times before replacement. Patients showed up COVID-negative but some still developed symptoms a few days later. Contact tracing to...

Dinh Kozuki holds the photograph of her father, Thong Nguyen, that was displayed during his memorial in August. Photograph: Heidi de Marco/Kaiser Health News Workers at Garfield medical center in suburban Los Angeles were on edge as the pandemic ramped up in March and April. Staffers in a 30-patient unit were rationing a single tub of sanitizing wipes all day. A May memo from the chief executive said N95 masks could be cleaned up to 20 times b...