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Companies like Facebook, Twitter, YouTube, Instagram and Snapchat are reliant on a relatively new breed of STEM professional, whose specialised tech brains mine statistics to offer up marketing insights, solve functionality issues and develop new platforms. Social media careers are in demand right now.

Astronomers say global myths about 'seven sisters' stars may reach back 100,000 years.

Looking for STEM YouTube channels to explain what would happen if we nuked the Moon, what the coldest stuff in the universe is and other cool stuff? Here are seven super interesting STEM YouTube channels to boost your knowledge.