EarthWe might officially enter the Anthropocene epoch in 2024 Scientific bodies are due to make an official decision in the coming year about whether to declare a new geochronological unit precipitated by the impact of humans on Earth 51¶¯Âþ
ChemistryMaterial made of carbon and nitrogen is nearly as hard as diamond Crushing carbon and nitrogen under immense pressure and heat creates the second-hardest known material after diamond 51¶¯Âþ