Science News Digest

Is this the next Artemis crew? A look at the astronauts on NASA's shortlist

NASA is set to reveal the astronauts selected for the Artemis 3 docking mission in Earth orbit during an announcement on June 9, offering a first look at the crew that will participate in next year's mission. Read more: Is this the next Artemis crew? A look at the astronauts on NASA's shortlist

Doctors thought this kidney drug helped some patients. It may help millions more.

Three large clinical trials reveal that finerenone, originally approved for diabetic kidney disease, significantly slows disease progression and reduces cardiovascular risks in patients with non-diabetic kidney disease as well—potentially expanding treatment to millions who previously had limited options. Read more: Doctors thought this kidney drug helped some patients. It may help millions more.

Dementia risk linked to nitrate in drinking water, study finds

A large-scale study of over 54,000 adults found that the origin of dietary nitrate matters more than total intake, with vegetable-derived nitrate associated with lower dementia risk while nitrate from meat, processed foods, and drinking water correlated with higher risk. Read more: Dementia risk linked to nitrate in drinking water, study finds

Heat breaks the rules at the nanoscale and scientists used it to their advantage

Researchers demonstrated that nanoscale gold metamaterials can achieve up to four times more heat transfer across tiny gaps compared to conventional methods, opening new possibilities for chip cooling and energy technologies. Read more: Heat breaks the rules at the nanoscale and scientists used it to their advantage