INTERACT: 5 polar (science) riddles

No stress, just a little bit of challenge. Do you know the answers to all of them? But most importantly ...do you know WHY? Let's dive deep into science-based fun. Some of the answers are very recent discoveries in geophysics/polar research! Can you actually hear aurora singing, why is water even more incredible than we thought and what does making icecream in Tanzania have to do with it ...and much more!