How Many People Would We Need To Colonize Another Earth?

Various companies are working to settle on other planets. How long would it take and what issues would we face along the way? Earth-Like Planet Discovered! What You Need To Know – Sign Up For The Seeker Newsletter Here – Read More: Estimation of a genetically viable population for multigenerational interstellar voyaging “Designing interstellar starships …

What Is The Deep Space Network & How Does It Work?

Satellites and rovers in space use the Deep Space Network to get information back to Earth. What is it and how does it work? How GPS Works ►►►► Sign Up For The TestTube Newsletter Here ►►►► Read More: Deep Space Network – Communications “We are the first humans in history to experience and see, through …

Why Does Mars Have Blue Sunsets?

The Curiosity Mars rover sent back some stunning images of what sunsets are like on the red planet. Turns out they’re blue, why is that? Read More: NASA Curiosity Rover has Captured a Gorgeous Blue Martian Sunset “Last month, while it was taking a break inside the Gale Crater, the rover looked up at the …

Common Science Facts People Don’t Know

It’s a widely known fact that the Earth revolves around the sun, but did you know 25% of Americans don’t know this? Recent surveys are showing that Americans aren’t too smart when it comes to science. Anthony and Laci discuss a few common science facts that a lot of people simply don’t know. Read More: …

How Fire Burns in Space

Without the ability to spray water, how do you put out a fire in space? And for that matter, without gravity, what does a burning fire look like? Trace has the answers. Read More: Strange Flames on the ISS “For thousands of years, people have been mixing the oxygen-rich air of Earth with an almost …

How Scientists Found The Oldest Rock On Earth

Scientists recently found the oldest thing on Earth, a zircon crystal, and it dates back to 4.4 billion years ago! Carbon dating is a helpful tool in order to date old things, but it’s limited. Trace is joined by Elise Andrew from I F***king Love Science to talk about how exactly scientists were able to …