Scientists are testing hundreds of different kinds of animals as well as waste and storm water for COVID-19, looking for reservoirs for possible mutation. They’ve learned even pets can possibly harbor the virus but probably aren’t a threat. An expert discusses how the knowledge will combat COVID variants.
Homelessness continues to be a stubborn problem despite many well-intentioned programs. A new experimental study finds that giving homeless people thousands of dollars in cash helps get many of them off the streets for good, calling into question many assumptions about the homeless and how they got that way. Experts discuss the new program and its implications for ending homelessness.
A new study finds COVID-19 was likely circulating undetected for nearly two months before late December 2019. Then, a study indicating weight loss surgery significantly cuts the risk of cancer in people with severe obesity and nonalcoholic fatty liver disease. And finally, a small study finds that early in the lockdown, a weight gain of two pounds a month was pretty typical.