Nobel Laureate in Physics Roger Penrose (Oxford) speculates on what others are saying - and not saying - about his groundbreaking theory.

Cognitive scientist Lisa Feldman Barrett (Northeastern) relates how her theory of emotion is completely aligned with how our brains construct auditory and visual perceptions.

Princeton University physicist Paul Steinhardt describes how we might get beyond the intellectual dead-end that the theory of cosmic inflation seems to have led us to.

Particle physicist Nima Arkani-Hamed (Instutute for Advanced Study) describes how today's theorists have much less room to manoeuvre than is often supposed.

Astrophysicist Scott Tremaine, Institute for Advanced Study, describes how our understanding of black holes has evolved from a time when Einstein didn't actually believe they existed to our present view that so-called "supermassive"...

Astrophysicist Scott Tremaine (Institute for Advanced Study) reflects upon the contemporary relationship between theory and experiment in fundamental physics.

Renowned polymath Freeman Dyson (Institute for Advanced Study) gives his take on the origin of life.

UC Berkeley sleep scientist Matthew Walker ruminates on the sociology of sleep science within the broader domain of psychology, both past and present.

Elyn Saks, Professor of Law, Psychology, and Psychiatry and the Behavioral Sciences at USC, relates how we need to develop a better-funded culture of aggressive outreach to help homeless people who suffer from mental illness.

UNC Chapel Hill psychologist Barbara Fredrickson describes different ways by which psychological researchers measure the emotional states of those involved in their research studies.

UNC Chapel Hill social psychologist Barbara Fredrickson describes why and how she began using Metta meditation to test her “broaden and build theory” of positive emotions.

USC legal scholar and author Elyn Saks relates how a key ingredient to helping mentally ill people who are on the street is to engage in “aggressive outreach” to first get them to a safe and comfortable place before working on any...

Nobel Laureate in Physics Roger Penrose (Oxford) briefly summarizes Stephen Hawking's work on the temperature of black holes and Hawking radiation.

The Endosymbiosis Theory explains evidence supporting the scientific theory of the origin of eukaryotic cells by describing the process of endosymbiosis.

Discover more about the multimedia cognitive load theory, and how to apply the principles to create presentations and instructional videos that can reduce cognitive load to better convey ideas and aid learning.

Alexa teaches you how to pronounce "TH" in French.

Salvador Dali is born in Figueres, Spain, where his first public art show opens at the Municipal Theatre. Salvador is expelled from art school for declaring his examiners too incompetent to judge him. He spends time with Picasso and...

Let's learn all about Heliocentrism!

The Law of Antoine Lavoisier explores the life of Antoine Lavoisier by investigating the discovery of the Law of Conservation of Mass and the struggles he had in the scientific community.

Space-Time Compression examines how the speed of transportation and communication brings places closer together.

“Scientific Theory vs. Scientific Law” will explain the difference between a scientific theory and a scientific law and the importance of the evolution of theory over time.

The differences in computer science and software engineering can sometimes come down to what university you go to. In terms of their definition computer science is more math and theory based, while software engineering is more applied....

Alfred Adler felt inferior growing up due to persistent illness and rejection. However, he transformed his inferiorities into his greatest strengths and developed an entirely new model of mental health treatment as a result. Join Micah...

For small group communication, theory has practical uses like the explanatory and predictive function. These both provide us ways to use theory to improve our group experiences and our small group and team effectiveness.