Dark streaks on Mars may be caused by salts and melting ice

Researchers at the SETI Institute say that unusual dark streaks on sun-facing slopes on Mars, debated about for years, may be small landslides caused by a combination of salts and melting ice just below the surface. Source: https://earthsky.org/space/mars-dark-streaks-melting-ice-recurring-slope-lineae…

2700-year-old face cream was made from animal fat and cave ‘milk’

Cream preserved in an ancient bronze jar shows that men in ancient China were using cosmetics 2700 years ago – and it was made using a soft white mineral found in certain caves Source: https://www.newscientist.com/article/2266855-2700-year-old-face-cream-was-made-from-animal-fat-and-cave-milk/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…

The moon rock in Washington National Cathedral

A moon rock collected by Apollo astronauts during the first moon landing is enshrined in a stained-glass window – known as the Space Window – in the Washington National Cathedral. Source: https://earthsky.org/human-world/moon-rock-washington-national-cathedral-stained-glass-window…