Giant clone, hot Jupiter, Assyrian carving: scientific news

Clone géant, Jupiter chauds et gravure assyrienne: l

The scientific news for June 7, 2022 is:

In the archeology : The world’s largest clone covers an area of ​​200 square kilometers.

  • A Western Australian herbarium over 4,500 years old is made up of clones of a plant. Poseidonia australis

  • Unlike other seagrasses in the sexually reproducing region, this plant replicates itself through an underground network of branched roots.

  • If left untreated, the giant clone can grow indefinitely, making it virtually immortal.

In space: Hot Jupiter, the mysterious star, appears under Hubble’s eye.

  • Hot Jupiter is a giant gas planet with a mass equal to or greater than that of Jupiter, located near its star, at temperatures above 730 C.

  • Extensive study ofUniversity College From London on the dimensions of space telescopes Hubble Etc. Spitzer Recently published 25 Hot Jupiters The Astrophysical Journal.

  • These planets are attracted by the lack of self-rotation: due to gravitational tidal forces, they are “locked” and always present the same face in front of their star.

In Archeo: Rare Assyrian carvings found in secret galleries accessible from a residence.

  • The carving depicts at least eight deities, including the Mesopotamian storm god Hadad, Sin, and the moon god Samash. She was found in an underground complex in southeastern Turkey.

  • Described in the review AntiquityThe carved image suggests that the Assyrian government, which occupied this part of Anatolia 3,000 years ago, may have used a mixture of cultures for peaceful purposes.

  • Although some features of the gods are distinctly Assyrian, many of the details reflect a strong influence from the local Aramaic culture.

In animals: A dwarf family has been roaming the world’s oceans for 50 million years.

  • DNA analysis of drive termites from the Institute of Science and Technology at the University of Okinawa (Japan) shows that these insects have crossed the ocean at least 40 times in their history.

  • These voyages, which span fifty million years, have enabled them to reach distant continents and accelerate the evolution of their diversity, researchers believe.

  • Using termites fossils and knowledge of the geographical locations of modern species, the team was able to determine where and when the species of drive termites moved between continents.

In the background: This is not an eruption of Santorini, but a volcano located in Alaska, the source of the Bronze Age global cold.

  • A new interdisciplinary study published in PNAS Nexus Led by the University of Arizona, it challenges the hypothesis of the origin of the Bronze Age cold.

  • Thanks to the analysis of volcanic ash and sulfur in ice cores taken from Greenland and Antarctica, the main culprit for this cooling will be the Aniakchak II volcano located in Alaska.

  • Its eruption in 1628 BC had the greatest impact on the climate for the last four millennia.

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