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Ancient fish dined on bats — or died trying
Fossils hint that bats’ wings sometimes lodged in fish’s throats, leading the bat-eater to die of hunger.
Lassa fever to have a fearsome toll without vaccination
Modelling suggests that the Lassa virus could infect millions in a decade, but vaccines under development could sharply reduce deaths.
Simple steps could shrink US beef industry’s carbon hoofprint
Beef production accounts for 3% of country’s carbon emissions, but measures such as tree-planting offer help.
Boomers Daily 