US gun violence increased 30 percent during COVID-19 pandemic

Gun violence increased by more than 30% in the United States during the COVID-19 pandemic, according to a new study by Penn State College of Medicine researchers. The researchers said that stress, domestic violence, lack ...

Deadly virus's pathway to infect cells identified

Rift Valley fever virus causes economically devastating outbreaks of hemorrhagic fever in livestock such as sheep, goats and cattle. These mosquito-borne outbreaks lead to infection in people working with dead or dying animals, ...

Milk enabled massive steppe migration

The long-distance migrations of early Bronze Age pastoralists in the Eurasian steppe have captured widespread interest. But the factors behind their remarkable spread have been heavily debated by archaeologists. Now, a new ...

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