EarthSuper-deep diamonds contain traces of a pristine chunk of early Earth Diamonds that formed twice as deep as normal contain evidence of a pristine hunk of original Earth rock hiding deep underground ¿ìè¶ÌÊÓÆµ
Earth¿ìè¶ÌÊÓÆµs chasing waterfalls discovered something they aren't used to We often think waterfalls indicate ancient tectonic or glacial activity – but it turns out they can form all by themselves without these external influences ¿ìè¶ÌÊÓÆµ