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Rare gene-driven defects such as Down syndrome have occurred among human beings for many thousands of years, a new analysis of ancient DNA has revealed.

The region going back as far as 1850. as the "new york times" notes, they use 21 models to simulate what the weather would be like if humans had never pumped greenhouse gases into the atmosphere. they found that the heat wave in the pacific northwest would have been virtually impossible without the advent of climate change. but there was something else that stumped the scientists. the heat wave was so far beyond historically observed temperatures that it couldn't be captured by the statistical model. calculating at current levels of global warming, the model notes that something strange like t...

When the Institute for Health Metrics and Evaluation at the University of Washington released its estimate that COVID-19 had killed 912,345 people in the U.S. by May 6, 2021, many were shocked. That’s 60% higher than the 578,555 coronavirus-related deaths officially reported to the U.S. Centers for Disease Control and Prevention over this same period. How can two estimates differ so widely? It’s not like the Institute for Health Metrics and Evaluation researchers stumbled upon a morgue of more than 300,000 dead people who hadn’t been tracked elsewhere. Here’s what goes into some of th...

Abstract Background: There is a need for greater understanding about frequent and high use of inpatient mental health services, and those with ongoing increased needs. Most studies employ a threshold of frequent use (e.g. numbers of admissions) and high use (e.g. lengthy stays) without justification. Aims: To identify model-driven thresholds for frequent/high inpatient mental health service use and contrast characteristics of patients identified using various models and thresholds. Method: Retrospective population-based study using 12 years of longitudinal data for 5631 patients admitted with...

Party. >> i feel very centrist and feel force to do choose a side. >> reporter: the funny thing about polls millennial, young people in general aren't always truthful about whether or not they'll actually go vote. how do you think that skews the way that political parties even do their campaigns. >> it matters, but i also think that it is a two-way street. if we're saying we aren't going to vote, but then suddenly you go back on something or all of a sudden there's something we don't like, our happy middle is just not voting at all. >> reporter: and there it is. algorithms, statistical model, ...