Rapping science teacher Matt Green becomes the first human being ever to visit Quark when he joins Pipette on her home planet ...
Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, this time travelling...
Kate Humble is in the Arctic, where spring arrives with a bang. Helen Czerski chases a tornado to show how the earth's...
Physicist Helen Czerski explains that hurricanes happen because the earth is rotating. She shows how, bec...
Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, travelling first from July to th...
Kate Humble and Dr Helen Czerski follow the Earth's voyage around the sun for one complete orbit, to witness the a...
When Emma from the Yorkshire Dales asks Nina to find out where stars go during the day, she needs help from Luke, the sight neuron, to fin...
Experience the most extraordinary ride in the universe - falling into a black hole.
Find out why a flat Earth would feel very unflat indeed!
Knowles and McCork ask, when will the sun stop shining?
Some day people will live on the moon - find out just what they are in for.
Want to reach for the stars? It would be the journey of a lifetime - literally.
Would it be possible to live on an Earth shaped like a doughnut? You might be surprised!
What happens if you try to catch a falling star? Spoiler alert - probably best not to try!
Knowles and McCork ask if aliens exist.
What would happen if there really was a lift that took you all the way up to space?
Knowles and McCork ask, what is the deepest part of the ocean?
Experience the ultimate in long-distance travel - a holiday on Mars!
Find out why stopping the earth from spinning isn't such a good idea.
Things don't quite go to plan when the moon turns into cheese.
Knowles and McCork ask the question 'What is a black hole?'
Knowles and McCork ask the question 'What is a shooting star?'
In this time zone special, Knowles and McCork ask 'Why does the Earth spin on its axis?'
McCork and Knowles ask 'How long would it take to walk the Earth?'
Knowles and McCork ask the question 'Could pineapples grow on the moon?'
Live from the seaside, Knowles and McCork ask the question 'Why is the sea salty?'
Learn about the seasons with a helpful graphic of the earths tilt and its orbit and hemispheres.
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