From straw poll to opinion poll

Are we entering an era when robots will finally liberate people, and particularly women, from the drudgery of housework? There is certainly a buzz around domestic robots right now and every month seems to bring us a new autonomous machine that can fold your clothes or stack your ...  Show more

One of the first recorded examples of a marriage ceremony is dated more than 4000 years ago in Mesopotamia. And it seems that through the ages, weddings have never lost their appeal. The global wedding industry is today worth billions of dollars, and it is one that keeps on growi ...  Show more

Hillary Clinton lost the US election despite some polls putting her chances of winning at 99%.In the run up to the vote pollsters spent huge sums of money speaking to thousands of Americans. They were careful to collect the best possible data from representative samples, and they ...  Show more

The 2016 U.S. presidential election is over. And if you'd been following the polls, the results might have been surprising. What went wrong with those polls? It has to do with statistical and systematic uncertainties. Read the full transcript here: http://bit.ly/2gnNRpX 

What can opinion polls really tell us? 

Nate Cohn, an expert on polling for The New York Times, knows that the predictions for the 2016 presidential election were bad.

But this year, he says, they were even worse.

So, what happened?

Nate talks us through a few of his theories and considers whether, ...