Why is All Sand the Same?

SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.

Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.

Since eye color is determined by chemical and structural differences in the eye, it seems logical that different eye colors see the world in different ways.

Brit Garner, host of SciShow Psych, talks about the research she's doing in conservation genetics/genomics, and Jessi from Animal Wonders shows off an African crested porcupine!

Black holes are a wondrous force of the universe! Hank explains how we found a supermassive rogue black hole & how DNA behaves in space!

Unexpectedly losing a job is hard, but it can also change you in the long term, setting off a cycle that may be hard to break out of, and leaving lasting effects on the way you see and interact with the world.

Lara Brenner talks about her research on how stressed cougars are and how the public views them. Then Jessi from Animal Wonders joins the show with Seraphina the red fox!

There are some captivating things when you look up at the night sky, but our location in the Milky Way may be fogging up our view.

When a piece of cryptography is described as having "256-bit security", what exactly does that mean? Just how big is the number 2^256?

Ever tried to comb a hairy ball? Math says you failed!

Scientists think that evolution may not have prepared our brains for donuts, and an international research team has found out that some of earth’s oldest, largest trees are suddenly on the decline.

Just a few days before he died, Stephen Hawking submitted one last research paper using string theory math to talk about the multiverse.

Scientists have conclusively imaged a circumplanetary disk around a distant exoplanet, and Jupiter's auroras claim the spotlight with their unique Birkeland currents.

A new report on climate change is pretty grim, but there is still a little hope.

The temperature drops and you're more likely to get a cold: Is this correlation or causation?

In this video Paul Andersen explains how humans use information technology and instrumentation to better understand their surrounds. Technologies (including X-rays, computers, and phones) use electromagnetic waves to improve the lives...

The housing market can be vexing: while some neighborhoods get ridiculously expensive and price out longtime residents, others have historic homes sitting vacant without demand. Equitable housing developer and TED Fellow Bree Jones...

Scientists estimate that about 2% of our DNA is from Neanderthals. In this week, the journal Cell showed what those Neanderthal DNA do to our genome.

Sam Harris advocates a secular morality based on fact and science. IQ2 talk highlights

The video discusses ways to minimize the environmental impact in our everyday lives. It covers the reduction in use, reuse, and recycling of materials to reduce limited resource use and waste production. The video compares life cycle...

👉 Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...

Here is a new circle time song for kids called Hey Good Morning! This good morning song is simple and fun for preschool children! Enjoy. Hey Good Morning song lyrics for kids : Hey good morning How’re you doing? I’m so happy To see you!...

To watch the full version of this video and all the other hidden videos please gett he Ultimate Review Packet. I promise you that you will love it. This video includes practice questions for microeconomics Unit 6- Market Failures.