This Quasar Discovery Could Hold the Key to How Galaxies Die

Supermassive black holes with up to 10 billion times the mass of our sun are thought to be at the center of most large galaxies. As their powerful gravity sucks in material, they can create a ring of superheated matter brighter than the galaxy itself called a quasar, and astronomers long thought that this was…

The Middle East’s cold war, explained

The Middle East is one of the most complex regions in the world:Currently there are 4 failing states and 3 wars, with major powers increasingly takingopposite sides.Countless armed militias and terrorist groups are spreading violence across borders.The region has seen conflict after conflict going back well into the 20th century.But among all the uprisings, civil…

The diet that helps fight climate change

I have to admit that when it comes to food, I’m a total sucker.Whether it’s sugar or grease or carbs, pretty much bring it on!And I spend a lot of time in Montana, so for me, that medium rare, grass fed ribeye steak?Pretty much as good as it gets.I know.I don’t do it often and…

How Do Curveballs Change Direction in Midair?

♪ INTRO ♪It takes about a quarter of a second for the average person to react to something they see.That’s how long it takes for a signal to travel from your eyes to your brain and then back down to your muscles.A quarter of a second might not seem very long,but that lag time actually…

It’s not you. Phones are designed to be addicting.

but I’m not alone.Over 2.5 billion people have smartphones now, and a lot of them are having a hard time puttingthem down.There’s a new app that aims to curb phone addiction.Addiction is money.Are we a nation of smartphone addicts?The problem is, our devices are designed to keepus engaged.They’re intentionally addicting.But if you understand the tricks…

Why Colombia has taken in 1 million Venezuelans

There is a crisis here.Millions of people have fled Venezuela as the country crumbles.Many of them are coming over this border into Colombia.Here is this border town of Cucuta, you see people with suitcases full of all their belongings.They don’t know where they’re going.They just know they need to get out of their country.If you…

How granite countertops took over American kitchens

“Yeah, I like the granite countertop!”Wait a second.No, no, no, no… listen, listen.Your granite countertop’s: beautiful.My counters are awful.But the hype is a little over the top.“I love this granite countertop. I like it, I like it very much.”That’s good you like it.But if you watch these house hunting shows, it’s likegranite countertop hunting, maybe…

Why people are buying cartoon cats on the blockchain

When I show you what I’m holding, some of you might see a simple cartoon.Some of you might see a complex piece of engineering.You’d both be right.Meet Genesis, the first Cryptokitty.She’s not alone.All of a sudden, cryptokitties are everywhere.“Cryptokitties”“Cryptokitties”“The viral blockchain-based game that sparked a global craze for virtual cats.”“It’s a picture of a cat.And…

What Bitcoin Miners Actually Do

Bitcoin mining is pretty weirdand it relies on some complex mathbut people who want to invest in bitcoinwant to know how it works… at a basic level, at leastThis video is an attempt to explain just thatThis diagram helps explain miningEach block includes the previous hashThis is what I’m going to explain in this video

The fight to make bad jobs better

When politicians talk about workers, they tend to focus on certain types of jobs.“Bernie Sanders stood American workers.”“It’s American workers that remake this country”But in the US, retail workers have outnumbered manufacturing workers since 2002.And food service workers aren’t far behind.These jobs are in every community – they’re the base of the service economy.So with…