Scientists are using narwhal tusks like they use tree rings. Click to read the full fact.
The post WTF Fun Fact 13523 – Narwhal Tusks appeared first on WTF Fun Facts.
Scientists are using narwhal tusks like they use tree rings. Click to read the full fact.
The post WTF Fun Fact 13523 – Narwhal Tusks appeared first on WTF Fun Facts.