"So when they told me on day one that my job was going to be to remove the Earth's magnetic field, that sounded more like a joke they tell to new starters than anything else." This brain scanner is in the form of a wearable helmet – but it only works if you can cancel out the Earth’s magnetic field... | Nature

1.9K views | You use plastic every day - but do you know where it comes from? | Ocean Wise | Facebook