3 brand new TED-Ed Lessons written by CERN scientists for TEDxCERN

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Our friends at TED-Ed love working with CERN. Their video library includes more than ten lessons written by CERN scientists on topics ranging from dark matter to the Higgs boson. In 2013, they even collaborated with the organizers of TEDxCERN to premiere three brand new lessons at their first ever TEDx event. It went so well that they decided to do it again! Here are the three lessons TED-Ed premiered at TEDxCERN this year:

1. Cloudy climate change: How clouds affect Earth’s temperature – Jasper Kirkby

As the Earth’s surface temperature gradually rises, it has become vital for us to predict the rate of this increase with as much precision as possible. In order to do that, scientists need to understand more about aerosols and clouds. Jasper Kirkby details an experiment at CERN that aims to do just that.

2. If matter falls down, does antimatter fall up? – Chloé Malbrunot

Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloé Malbrunot investigates that question by placing two atoms — one made of matter, and the other antimatter — in the cockpit of a plane, ready to jump. What do you think will happen?

3. How cosmic rays help us understand the universe – Veronica Bindi

We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy … and if there are undiscovered forms of matter? Luckily, we have space messengers — cosmic rays — that bring us physical data from parts of the cosmos beyond our reach. Veronica Bindi explains what cosmic rays are, and how they transmit information about our universe from the great beyond.

This story originally ran on the TED-Ed blog. More stories:

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