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Did plate tectonics give rise to life? Groundbreaking new research could crack Earth's deepest mystery.
Go back before 4.03 billion years, to the Hadean eon, and the rock record has completely vanished. The first half billion years of Earth's life left not a single bit of basalt behind. Because of ...
Nature3y
Major events in the evolution of amino acid synthesis
The way amino acids are synthesized has changed during the history of Earth. The Hadean eon represents the time from which Earth first formed. The subsequent Archean eon (approximately 3,500 ...
Nanowerk3y
History of Earth
Over time, the Earth cooled, causing the formation of a solid crust, and allowing liquid water on the surface. The Hadean eon represents the time before a reliable (fossil) record of life; it began ...
PBS8y
Deep Time
The Precambrian eon is vast, almost unimaginably so ... this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian's oldest era, the Hadean ...
The Daily Telegraph8d
British defence start-up races to cut ties with blacklisted Chinese tech giant
Hadean, which makes artificial intelligence (AI) and simulation tools used by the Ministry of Defence and Nato, is urgently seeking new investors to replace Tencent. The Chinese technology giant ...