Janelle Wellons likes to say that she operates “fancy space cameras.” At NASA’s Jet Propulsion Laboratory, she creates commands that allow spacecraft to take valuable scientific data in our solar system and here at planet Earth.

Sets and Maps are data structures optimized for holding specific types of data. Mark will demonstrate how to use these fundamental data structures in this video.

You should already know that velocity-time graphs look like this... and how we can use them to map out a journey. If you’re unsure, you may want to watch this video first...In this video we’re going to look at the area under these graphs...

This video provides an introduction to the female reproductive cycle, focusing on the first half of the cycle which includes period cramps and ovulation. The speaker explains the goals of the cycle and provides anatomical details using...

We are going forward to the Moon by 2024, but did you know that back in 2005, Dr. Jim Garvin and his team of scientists pointed the Hubble Space Telescope at our nearest celestial neighbor for a very important...

Sue Porto has been CEO of St John's Hospital Bath, since May 2015. Prior to this she had been at the national charity Beanstalk, serving as its Chief Executive Officer, since October 2010, leading the charity's work in tackling...

It's time to meet a single-celled organism that is bigger than a tardigrade! We'll learn how Stentors reproduce, why they look like trumpets, and why some of them are just SO BLUE!

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

Jose Lovo is in a doctoral student at Antioch University. He has taught pre-school, elementary and has been a principal. HE has returned to the classroom at Los Angeles Unified School District.



He is a true activist with...

John I and Phillip II of France continue to battle on and off. Arthur, Duke of Brittany and Geoffrey's son, rebels and attempts to take more territory. Eleanor is captured but John's forces set her free and capture Arthur and Hugh IX of...

The goal of phylogenetic trees is to track the organisms we know of through their place in evolution.

The Hubble Space Telescope has been with us for nearly two decades. In that time, its breathtaking images have captured peoples imaginations and its groundbreaking science has revealed some of the many secrets of our...

To study organisms at the genetic level, we need their DNA. Which means that we need to be able to wade through all the bits and pieces lying within their tiny bodies to pick out something even tinier—something we can’t just dig out with...

Learn train and travel vocabulary, and practise your listening skills! In this video I show you some of my recent trip to Sydney. I've included very specific train- and travel-related vocabulary, as well as some...

Theodore Roosevelt, the 26th president of the United States, was more than the man behind the Panama Canal and the inspiration for the teddy bear. He was a cowboy. A soldier. An explorer. A badass.When Teddy Roosevelt, or T.R. as he was...

Proverbs are a very important part of the English language. Native speakers use them a lot, so if you want to improve your comprehension, and also express yourself better, it's necessary to learn some common English...

We’ve spent most of our journey through the microcosmos seeking out the organisms that are too small to see with just the human eye. The bacteria, the ciliates, the tardigrades. Part of what makes them so exciting to find is that they...

We'd love to learn more about our Microcosmos community and who's out there watching these videos. So, we've got a short survey for you to fill out where you can let us know more about you and what you'd like to see from Journey to the...

Depending on your love of horror stories or your belief in the supernatural, it might be easy to convince you that lakes are full of ghosts. That as you plunge deeper into these lakes’ depths, you’ll come across translucent bodies that...

This video explores the incredible activity happening on the surface of the sun, as captured by the Solar Dynamics Observatory. From dazzling friary loops to massive coronal mass ejections, we see how the sun's plasma drives its solar...

SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow...

Watching this Peranema feels a bit like watching a cat waffling back and forth between whether or not it wants to take a nap. Sometimes the Peranema stretches, its body undulating into an elongated, indescribable geometry as its flagella...

Tardigrades have been through a lot. They’ve been sent to the moon. They’ve had the moisture sapped out of them. At times, they’ve been in extreme heat. And at other times, they’ve had to contend with extreme cold. Well, today, we’ve got...