2024年8月8日 · According to Gizmodo ’s Esther Inglis-Arkell, Calhoun’s “Universe 25” started when the researcher dropped four female and four male mice into the enclosure. By the 560th day, the population...

2021年7月22日 · In this study, he took four breeding pairs of mice and placed them inside a "utopia". The environment was designed to eliminate problems that would lead to mortality in the wild. They could...

2022年5月17日 · Biologist John Calhoun’s rodent experiments gripped a society consumed by fears of overpopulation. John Calhoun crouching inside Universe 25, his famous mouse-behavior experiment, February 1970. Officially, the colony was called the Mortality-Inhibiting Environment for Mice. Unofficially, it was called mouse heaven.

2023年8月11日 · In this study, Calhoun designed a utopian environment that can house up to 5,000 mice. It is made of a 9-square-foot enclosure divided into four interconnected pens. In each pen, food hoppers,...

2024年10月9日 · In this study of dietary restriction in diversity outbred mice (DRiDO), we investigated the effects of CR and IF on the health and lifespan of female diversity outbred (DO) mice 25. In...

2025年3月31日 · A paper on the mice study was published in the journal PLOS One. ORIGINALLY PUBLISHED. Discuss (0 CommentS) ARTICLE POSTED IN. Space and Physics. international space station, mice,

4 天之前 · In fact, many of the key approaches developed and refined to study one animal were used to study the other, and vice versa. A mouse brain (right) is a small fraction as large or as complex as a human brain (left), but mapping even a tiny cube of it represents an extraordinary milestone toward the ultimate goal of understanding and curing brain ...

2025年1月23日 · Real-time imaging shows how plastic-stuffed cells form clumps that affect mouse movement. Tiny pieces of plastic were found lodged in blood vessels in the brains of mice. Credit: Sinclair...

2025年3月31日 · A study of mice on board the International Space Station gives NASA scientists a better clue as to why this significant and unresolved health risk exists. As it turns out, the bone losses may not have to do with space radiation, a lack of sunlight, or a similar, systemic factor. After mice spent 37 days in orbit, some parts of their skeletons ...

2025年2月6日 · In Science today, neuroscientists reveal the precise regions of the brain that suppress fear responses in mice 1 — a finding that might help scientists to develop strategies for treating...