silhouetted people walking on busy street. iStock.com/imagedotproiStock.com/imagedotpro

New metric shows COVID cut average lifespan by nearly a decade in parts of U.S.

UCLA sociologist’s demographic tool clarifies impact of temporary…
The gut microbiota comprises trillions of bacteria and other microbes that live in the intestines and affect health in multiple ways. Photo Credit: Alpha Tauri 3D Graphics/Shutterstock

UCLA-led study could clarify how gut microbes can exacerbate cognitive decline

By Stuart Wolpert    Recent research…
Yuri Shprits, a UCLA research geophysicist, said limiting the duration of a round trip to the red planet would help reduce the amount of dangerous radiation to which astronauts are exposed.

Will it be safe for humans to fly to Mars?

Mission would be viable if it doesn’t exceed four years, international…