The murderous dog who was sentenced to life behind bars: top 10 facts of the day from July

Here's an incredible fact: Did you know that every weekday on Instagram, ninemsn Pickle collects strange, unexpected and weirdly interesting facts about the world? Here's some of the most intriguing things we learned in July.

Related: What the colours on the gay pride flag really mean: 10 favourite facts of the day

Follow @ninemsnpickle on Instagram for more facts of the day, animal photos and weird news stories.