Besides primates, koalas are one of the few mammals that have fingerprints. In fact, the marsupials’ fingerprints are so similar to humans that it’s difficult to distinguish the two, even under a microscope.
The conversation led to another interesting fact: Humans have “invisible markings” on their bodies that only become visible when affected by certain diseases.
With its 35 million monthly unique visitors, it’s no surprise that Reddit users stumble upon some of the most fascinating articles on the web. The content sometimes leads to careful scrutiny, educated debate or additional information others may not have known.
This week, Reddit had a lot to say about nature, which led to some interesting discussions: the biomass of ants on Earth and koala bear fingerprints, among others.
Here are five facts you may or may not have already known, sparked from discussions on Reddit.
If that wasn’t enough for you, check out last week’s factoid roundup.