A major mistake scientists sometimes make in public communication: they state things science isn't sure about as confidently as things it is sure about.   This confuses the public and undermines trust in science and scientists.   Some interesting examples:   1) As COVID-19 spread early in the pandemic, epidemiologists confidently stated many true things about it that were scientifically measured (e.g., rate of spread). Some of them were also equally confidently stating things that were just spec...