Categoría: Videos

385 million years ago, a group of fish would undertake one of the most important journeys in the history of life and become the first vertebrates to live on dry ground. But first, they had to acquire the ability to breathe air.

At the beginning of the Triassic Period, with the continents locked together from pole-to-pole in the supercontinent of Pangea, the world is hot, flat, and very, very dry. But then 234 million years ago, the climate suddenly changed for the wetter.

The Triassic was full of creatures that look a lot like other, more modern species, even though they’re not closely related at all. The reason for this has to do with how evolution works and with the timing of the Triassic itself: when life was trapped between two mass extinctions.

There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle the biggest question of all: Are viruses alive?

It can be easy to just wash out your pan and whatever grease is left on it right after cooking, but you could be doing real damage to your pipes and the public sewer system when you do. Here’s what you need to know. The following is a transcript of the video: Bacon grease isn’t […]

What is one supposed to do, if you find yourself in the middle of nowhere? Here are some tips and advice on how to stay alive in the most deserted places.

This year, 2017, marks the 60th anniversary of the launch of Sputnik, the first satellite to orbit Earth. In those 60 years, we’ve gone much further, reaching new planets and even the edge of the solar system. Watch as the human race explores the galaxy around us.

If you’re planning a beach vacation, you’d better get to it soon. An alarming statistic for you: 67% of Southern California beaches? GONE by 2100. All because of sand. Even if you don’t think about the grainy stuff, you use it daily. You’re reading this off something made with sand, looking at it through a […]

What would it look like if we took Earth’s 4.5 billion year history, and stuffed it into a normal day’s 24 hour time-frame? Follow the magnificent journey of life; where it began, and how it eventually led to humanity as we know it. Written and created by Mitchell Moffit (twitter @mitchellmoffit) and Gregory Brown (twitter […]

Just how deep does the ocean go? Way further than you think. This animation puts the actual distance into perspective, showing a vast distance between the waves we see and the mysterious point we call Challenger Deep.

Sleep expert Matthew Walker breaks down the many effects of sleep deprivation on your brain and body.