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There’s a major problem with the way we treat lab mice, and it could affect study results.
More than 120 million laboratory rats and mice are used worldwide each year. Many are accustomed to studying distressing conditions like cancer, arthritis and chronic pain, and almost all spend their lives in small, empty box-like cages: a kind of permanent confinement. Our new analysis shows that this restrictive artificial housing causes chronic stress in […]
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Scientists have identified what triggered the world’s biggest climate catastrophe
Some 252 million years ago, the world was going through a tumultuous period of rapid global warming. To figure out what caused it, scientists looked at a particular event in which a volcanic eruption in what is now Siberia spewed huge volumes of greenhouse gases into the atmosphere. However, there is evidence that the climate […]