New study improves 'crowd wisdom' estimates

In 1907, a statistician named Francis Galton recorded the entries from a weight-judging competition as people guessed the weight of an ox. Galton analyzed hundreds of estimates and found that while individual guesses varied ...

Working group seeks new algorithms for an old problem

Symmetry appears readily in nature: on the petals of a sunflower or the spires of a snowflake. But not all symmetries are alike. Flip a square horizontally, vertically, or diagonally – these are reflectional symmetries ...

Video: Copying vs. transforming information

New research by Complexity Postdoctoral Fellow Artemy Kolchinsky and Bernat Corominas-Murtra presents an important distinction for information theory—copying vs. transforming.

New model for predicting belief change

A new kind of predictive network model could help determine which people will change their minds about contentious scientific issues when presented with evidence-based information.

Ancient and modern cities aren't so different

Despite notable differences in appearance and governance, ancient human settlements function in much the same way as modern cities, according to new findings by researchers at the Santa Fe Institute and the University of ...

The astonishing efficiency of life

All life on earth performs computations – and all computations require energy. From single-celled amoeba to multicellular organisms like humans, one of the most basic biological computations common across life is translation: ...

New research reveals humanity's roles in ecosystems

In two back-to-back symposia at the annual meeting of the American Association for the Advancement of Science in Washington, D.C., on Sunday, Feb. 17, a cross-disciplinary cohort of scientists presented the first comprehensive ...

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