Nose-to-tail mining: How making sand from ore could solve a looming crisis

Every year, the world consumes around 50 billion tonnes of sand, gravel and crushed stone. The astonishing scale of this ...
The Conversation

Stingray sand ‘sculpture’ on South Africa’s coast may be oldest example of humans creating an image of another creature

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...