Confidence in COVID-19 vaccines rises as more Americans receive shots, survey says

Fewer Americans are reluctant to get immunized against the coronavirus and they are growing more confident in the safety and efficacy of COVID-19 vaccines and the quality of their distribution. But those who still hesitate have concerns about whether the vaccines have been properly tested. And 61 percent of those who are hesitant worry about …

Novel structure found in tumor cells may open door to new kinds of cancer therapies  

In 2015, researchers at UC San Francisco found a structure inside of tumor cells that biologists had never seen before. Even more surprising, a closer examination of the structure revealed that it contained signaling proteins known as receptor tyrosine kinases, or RTKs, which were thought to reside exclusively on the cell’s surface. The researchers reported the …