How Humans Evolved To Become The Best Runners On The Planet
Running may feel like a mammoth task for most of us. But did you know our species have evolved to run better than any animal on this planet?
What 2,000 calories looks like
The FDA recommends that we eat a balanced diet of 2,000 calories a day. Some days we do a better job passing on the pizza and reaching for a salad, and some days it’s digging into a full pint of ice cream sort of day. Here’s what 2,000 calories of various food items look like.
Mistakes when trying to eat healthier
When trying to eat healthier people often make some simple mistakes according to dietitian Tamara Duker Freuman, MS, RD, CDN . Watch what foods and drinks you should avoid when trying to lose weight and make healthier food choices. Produced by Maya Dangerfield. Camera by Grace Raver. Special thanks to Tamara Duker Freuman.
What is consciousness? | The Economist
Understanding what consciousness is, and why and how it evolved, is perhaps the greatest mystery known to science.
A radical explanation about visiting other universes
There are many different ways a multiverse might exist. Columbia University physicist, and one of the world’s leading string field theorists, Brian Greene explains how we might visit another universe. Greene is the co-founder of the World Science Festival, which has a new initiative called «City of Science» which is a 5-event series. The third […]
Do we live in a multiverse? | The Economist
It has long been thought that our universe is all there is, but it is possible we may live in just one of many. This is the second in our six-part series on unsolved mysteries in science. Read the accompanying article: http://www.economist.com/news/science….
Multiverse theory, explained
Business Insider UK spoke with astronomer Stuart Clark, author of «Unknown Universe,» about multiverse theory.
Supervoids vs Colliding Universes! | Space Time
Could the mysterious Cold Spot found in the CMB be the result of a collision with a bubble universe? [CORRECTION: The calculated ISW cooling from cold spot observed voids is 0.000032 Kelvin not 0.032 K as is listed on screen, the actual cold spot temperature differential is 0.000150 Kelvin not 0.15 K, and the actual […]
The psychology of narcissism – W. Keith Campbell
Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists. Lesson by W. Keith Campbell, […]
Why don’t perpetual motion machines ever work? – Netta Schramm
Perpetual motion machines — devices that can do work indefinitely without any external energy source — have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not? Netta Schramm describes the pitfalls of perpetual motion machines. Lesson by Netta Schramm, animation by TED-Ed.
How to practice effectively…for just about anything – Annie Bosler and Don Greene
Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us perform with more ease, speed, and confidence. But what does practice actually do to make us better at things? Annie Bosler and Don Greene explain how practice affects the inner workings of our […]
What causes constipation? – Heba Shaheed
Visiting the bathroom is part of the daily human experience. But occasionally, constipation, a condition that causes a backup in your digestive system, strikes. In some especially uncomfortable cases, the food you eat can take several days to exit your body. What’s behind this unsettling phenomenon? Heba Shaheed takes us into the digestive system to […]
Does My Dog Know What I’m Thinking?
Do you ever talk to your dog? Do they ever talk back? Humans and dogs have a truly amazing relationship, developed along an evolutionary journey that goes back nearly 10,000 years. Do they really understand what we say, think, and feel? Recent research suggests dogs know more about our language and emotions than you might […]
Why Do You Love Your Family?
Why do we love people we’re related to? Compared to strangers, why do we feel such a deep sense of connection with our family members? Sure, they’re nice to us, we take care of each other, and we often live with them, but there has to be a deeper biological reason. That reason, unsurprisingly is […]