When a crowd gets something right, like guessing how many beans are in a jar, forecasting an election, or solving a difficult ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American What do we really know about our universe?

The White House blamed exposure to environmental toxins, poor nutrition and increased screen time for a decline in Americans’ life expectancy Thursday, in a major administration report that also casts ...