Seven degrees of separation
Here’s a challenge: see how many people’s names you can write down in ten minutes. You’ll be surprised at how many people you know! All those people that you know, know hundreds of other people. Some researchers speculate that you are only seven introductions away from meeting anyone on this planet. That means you probably know someone who knows someone, who knows someone (seven times), that could introduce you to anyone on Earth, even the queen of England or your favourite celebrity!
Over the last 200 years, nature’s “orchestra” has started playing many more false notes as humans have started leaving a lasting mark on nature. Some species have even
