For hundreds of millions of years, Earth’s climate has warmed and cooled with natural fluctuations in the level of carbon…
Browsing: geology
More than ten years ago, the so-called “rare earth crisis” highlighted the fragility of the supply chain of these metals,…
As the inhabitants of an ancient Middle Eastern city now called Tall el-Hammam went about their daily business one day…
We may have walked on the Moon and sent probes across the solar system, but we know very little about…