A group of Home sapiens came across a picturesque cave on the coast of South Africa around 100,000 years ago. They unloaded their gear and set to work, grinding iron-rich dirt and mixing it gently ...
The brilliant iridescent hues found in ammolite come from tiny air gaps in the fossils’ layers, a new study finds. By Alexa Robles-Gil Millions of years ago, squid-like creatures called ammonites swam ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback