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Hace 6 días · t. e. The Cambrian explosion (also known as Cambrian radiation [1] or Cambrian diversification) is an interval of time approximately 538.8 million years ago in the Cambrian period of the early Paleozoic when there was a sudden radiation of complex life, and practically all major animal phyla started appearing in the fossil record.
Hace 3 horas · BEAUMONT, Texas (AP) — A Texas petrochemical company has pleaded guilty to a violation of the Clean Air Act and agreed to pay more than $30 million in connection with two explosions that injured ...
Hace 5 días · Fukushima accident, disaster that occurred in 2011 at the Fukushima Daiichi (‘Number One’) nuclear power plant on the Pacific coast of northern Japan, which was caused by a severe earthquake and powerful series of tsunami waves and was the second worst nuclear power accident in history.
Hace 1 día · In gamma-ray astronomy, gamma-ray bursts (GRBs) are immensely energetic explosions that have been observed in distant galaxies, being the brightest and most extreme explosive events in the entire universe, as NASA describes the bursts as the "most powerful class of explosions in the universe".
Hace 2 días · A supernova ( pl.: supernovae or supernovas) is a powerful and luminous explosion of a star. A supernova occurs during the last evolutionary stages of a massive star, or when a white dwarf is triggered into runaway nuclear fusion.
Hace 1 día · The Texas petrochemical company has pleaded guilty to a violation of the Clean Air Act and has agreed to pay more than $30 million related to two explosions in 2019 at their facility in Port ...
Hace 1 día · A man accused of setting off more than 150 explosions in two years has been arrested, California police reported. Art Leon Berian, 63, of Pasadena faces charges of using explosives with intent to ...
