We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into...

From the section: Simple Decision trees. In this section, we will start with the basic theory of decision tree then we cover data pre-processing topics like missing value imputation, variable transformation and Test-Train split. In...

Lexie is an active, healthy 2-year-old and already lending a hand, or more specifically her wrist to science. She's helping researchers test sensors designed to gauge something particularly difficult to measure scientifically --...

Good incentives are no substitute for good citizens.



Human beings, notes Sam Bowles, a Research Professor at the Santa Fe Institute, are complex, psychological beings given to all sorts of motivations well beyond naked...

Chernor Bah is an advocate for global education and a champion for girls. He leads the Population Council’s work on post-emergency programs for adolescent girls in Sierra Leone.



Before joining the Population Council, Bah...

This video is a quiz on the topics covered in the Adaptations series. In this series, we explore the concept of adaptations in living things. We discuss how adaptations help organisms survive and reproduce, including examples of...

With Parler closed down, conservatives now have few dependable platforms to speak through. We look at a few of the most popular alternatives.

Editor of NetFamilyNews.org and founder and executive director of its parent organization, Net Family News, Inc., Anne is a writer and youth advocate who has worked in the news media since 1980. With SafeKids.com's Larry Magid,...

This video explores the concept of happiness as a measure of economic development. It discusses the limitations of traditional measures of development, such as the Human Development Index, which do not consider the overall level of...

This video explains the concept of electric charge and how it can be transferred through friction. It demonstrates how a balloon, when rubbed against a person's head, gains a negative charge and attracts positive charges in the wall....

Professor AJ Kooti explains the Declining Balance Method of Depreciation in his financial accounting course.

If you want to know how to learn English conversation, improve your English comprehension, think in English, speak faster and stop translating in your head this video is just for you! English conversation practice is the best way to move...

Dr. James Coan is Professor of Psychology and Director of the Virginia Affective Neuroscience Laboratory at the University of Virginia. Dr. Coan has consulted for clinicians, businesses and researchers, working with groups as diverse as...

👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...

Francesca Fiorentini goes to the Texas State University Forensic Anthropology Research Facility to see how donated bodies help solve crimes. ➡ Subscribehttp://bit.ly/NatGeoSubscribe' hereet='_blank' Explorerollow'>Subscribe ➡ Watch...

Orlando Patterson, a historical and cultural sociologist, is John Cowles Professor of Sociology at Harvard University. He previously held faculty appointments at the University of the West Indies, his alma mater, and the London...

Orlando Patterson, a historical and cultural sociologist, is John Cowles Professor of Sociology at Harvard University. He previously held faculty appointments at the University of the West Indies, his alma mater, and the London...

"William Gaudelli is associate professor of social studies and education and Coordinator of the Program in Social Studies at Teachers College, Columbia University. His research areas include global citizenship education and teacher...

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Dr. Milton Chen is senior fellow and executive director, emeritus at The George Lucas Educational Foundation (GLEF), a non-profit operating foundation in the San Francisco Bay Area that utilizes its multimedia website, Edutopia.org, and...

Harbour porpoise catch prey using a 'vocal fry' register that can produce 400 echolocation clicks per second. New research from the University of Southern Denmark has revealed vocal fry - a low, creaky voice - is common in all toothed...

In this video, a teacher explains the concept of simple probability using a real-life example of selecting marbles from a bag. Viewers are guided through the process of determining the ratio of desired outcomes to possible outcomes,...