Episode 29: How to Crowd-source Correct Answers

If you ask a large group of people a question, to which only some of them know the right answer, how can you use their responses to find the truth? A new paper in Nature describes a method that the authors show works really well.

The paper is called:

Prelec, D., H. S. Seung, and J. McCoy. 2017. A solution to the single-question crowd wisdom problem. Nature. DOI: 10.1038/nature21054.

Puzzle 29 is called “Rolling a Six.”

Episode 27: Cockroaches Divide Without Counting

Episode 27 is up, and it’s a dandy. Cockroach groups are showing these smart behaviours. How can that be? We all know cockroaches are dumb, right? …or are they??? Decide for yourself.

The paper is:

Amé, J.-M., J. Halloy, C. Rivault, C. Detrain, and J. L. Deneubourg. 2006. Collegial decision making based on social amplification leads to optimal group formation. Proceedings of the National Academy of Sciences of the USA. DOI: 10.1073/pnas.0507877103.

The puzzle this week is called “Nails and String.”