PBS
First Detection of Life
In 1990, an experiment conceived by Carl Sagan was performed using using the Galileo spacecraft. The purpose? To detect life on a planet based on measurements by a space probe. The experiment was successful, and abundant life was...
TED Talks
TED: Machine intelligence makes human morals more important | Zeynep Tufekci
Machine intelligence is here, and we're already using it to make subjective decisions. But the complex way AI grows and improves makes it hard to understand and even harder to control. In this cautionary talk, techno-sociologist Zeynep...
SciShow
The Quest for Glueballs
The quantum world is weird. Today we're looking at a strange particle called a glueball that contains no matter...they're made of pure force!
TED Talks
TED: The shift we need to stop mass surveillance | Albert Fox Cahn
Mass surveillance is worse than you think, but the solutions are simpler than you realize, says lawyer, technologist and TED Fellow Albert Fox Cahn. Breaking down the crude tactics law enforcement uses to sweep up massive amounts of data...
PBS
Did Dark Energy Just Disappear?
Why are we talking about dark energy again? Because another team has just announced a new analysis of updated supernova data. They claim that the data are consistent with there being NO dark energy - no accelerating expansion. They...
TED-Ed
TED-ED: Can machines read your emotions? - Kostas Karpouzis
Computers can beat us in board games, transcribe speech, and instantly identify almost any object. But will future robots go further by learning to figure out what we're feeling? Kostas Karpouzis imagines a future where machines and the...
TED Talks
Sylvain Duranton: How humans and AI can work together to create better businesses
Here's a paradox: as companies try to streamline their businesses by using artificial intelligence to make critical decisions, they may inadvertently make themselves less efficient. Business technologist Sylvain Duranton advocates for a...
SciShow
Quantum Computing Breakthrough
Quantum physics is weird. But quantum computing could be awesome! Learn how scientists took a big leap this week toward making quantum computers a reality.
Crash Course
What Is Sociology?: Crash Course Sociology
Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what...
SciShow
The Most Beautiful Science of 2012
Michael Aranda substitutes for Hank again in this week's News to tell you about the winners of the 2012 Visualization Challenge, an annual competition run by the journal Science that selects the most elegant and educational graphics,...
TED Talks
TED: How Amazon, Apple, Facebook and Google manipulate our emotions | Scott Galloway
The combined market capitalization of Amazon, Apple, Facebook and Google is now equivalent to the GDP of India. How did these four companies come to infiltrate our lives so completely? In a spectacular rant, Scott Galloway shares...
TED Talks
Jeanne Pinder: What if all US health care costs were transparent?
In the US, the very same blood test can cost $19 at one clinic and $522 at another clinic just blocks away -- and nobody knows the difference until they get a bill weeks later. Journalist Jeanne Pinder says it doesn't have to be this...
Bozeman Science
Practice 3 - Planning and Carrying Out Investigations
Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the design...
TED Talks
TED: How can groups make good decisions? | Mariano Sigman and Dan Ariely
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...
SciShow
Liquid Water on Mars
Today, NASA announced that there is...occasionally...flowing, liquid water on the surface of Mars. What?!
SciShow
Plastic Bunny 3D Printed From Its Own DNA
A team is encoding digital data into DNA molecules which are then embedded into larger physical objects, like this plastic bunny! And researchers are working on a new, low maintenance oral contraceptive.
TED Talks
TED: How the blockchain is changing money and business | Don Tapscott
What is the blockchain? If you don't know, you should; if you do, chances are you still need some clarification on how it actually works. Don Tapscott is here to help, demystifying this world-changing, trust-building technology which, he...
TED Talks
Markus Mutz: How supply chain transparency can help the planet
Given the option, few would choose to buy products that harm the earth -- yet it's nearly impossible to know how most consumer goods are made or where they're sourced from. That's about to change, says supply chain innovator Markus Mutz....
MinutePhysics
How Quantum Computers Break Encryption | Shor's Algorithm Explained
This video explains Shor’s Algorithm, a way to efficiently factor large pseudoprime integers into their prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via...
SciShow
The Awesome Power of Citizen Science
You don't have to be a professional scientist to make a contribution to our collective knowledge. Today, we look at several projects that have benefitted from the power of citizen science!
SciShow
Parkinson’s Isn’t Inherited (Usually), but This Gene Matters
We don’t know what causes non-hereditary Parkinson's disease, but researchers have recently identified a gene that might help shed some light on those cases. And another paper suggests that the impact we're having on the frequency of...
SciShow
These AIs Are About to Revolutionize Biology
Even though proteins are fundamental to life, it’s hard to predict what they look like. But two independent groups announced that they’d cracked it, and it’s all thanks to some seriously clever artificial intelligence.
TED Talks
TED: Why sneakers are a great investment | Josh Luber
Josh Luber is a "sneakerhead," a collector of rare or limited sneakers. With their insatiable appetite for exclusive sneakers, these tastemakers drive marketing and create hype for the brands they love, specifically Nike, which...