They are one of the most terrifying animals in the world, despite being so small. Spiders are feared by a large majority of the population and although we don’t have many dangerous species in the UK, we still do not feel completely safe. We are often and regularly surprised and startled by these little creatures when they decide to move into our living rooms or settle into our bathrooms.But recently, biologists Martin Nyffeler and Klaus Birkhofer have been asking themselves a question that no one else has ever asked: how much time would, from a theoretical point of view, spiders need to eat us all?Getty ImagesTo find the answer to this rather bizarre question, they decided to conduct a study to find out. Their study revealed that all the spiders in the world consumed between 400 and 800 million tons of meat a year.By comparison, the total mass of human adults on Earth is 287 million tons. If we add the 70 million tons of weight of all the children on the planet, the calculation’s result shows that in less than a year, humanity would no longer exist. We just have to hope that spiders never decide to eat us!Check out the video to see just how they might do it!