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1 day ago · Biological interaction frozen in time. Several animal behaviours have been recovered on the Posidonia Shale. The Monotis-Dactylioceras bed is one of them, as it shows an accumulation of the bivalves Meleagrinella substriata and the ammonite Dactylioceras, that were the most abundant representatives of its group on the Altdorf region, and were probably washed to near epicontinental waters by a rapid event, or as result of a large succession of events.
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1 day ago · Fish Temporal range: 535–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Middle Cambrian – Recent Bala shark, a bony fish Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Olfactores Subphylum: Vertebrata Groups included Jawless fish † Armoured fish † Spiny sharks Cartilaginous fish Bony fish Ray-finned fish Lobe-finned fish Cladistically included but traditionally excluded taxa Tetrapods A fish (pl.: fish or fishes) is an aquatic, anamniotic, gill -bearing ...
1 day ago · Early life in Somalia Ayaan was born in Mogadishu, Somalia, in 1969. Her father, Hirsi Magan Isse, was a prominent member of the Somali Salvation Democratic Front and a leading figure in the Somali Revolution. Shortly after she was born, her father was imprisoned due to his opposition to Siad Barre ’s Communist government. Hirsi Ali's father was an intellectual, a dissident and a devout Muslim who had studied abroad and he was opposed to female genital mutilation ; while he was imprisoned ...
1 day ago · A study estimating moment arms for major pelvic limb muscles in extant and fossil archosaurs, aiming to investigate the idea that bird-line archosaurs switched from hip-based to knee-based locomotion between Archosauria (especially Neotheropoda) and Aves, is published by Allen, Kilbourne & Hutchinson (2021).
1 day ago · This migration and their military power, and wars with neighboring kingdoms like supported by their alliances with several related neighboring Igbo and eastern Cross River militarized states (particularly Ohafia, Edda, Abam, Abiriba, Afikpo, Ekoi, Bahumono, Amasiri etc.), quickly established the Aro Confederacy as a regional economic power. The Aro Confederacy's strength came from its well-organized network of Aro agents who were dispersed across different communities in the region.
1 day ago · The Chinese name for the Xiongnu is a pejorative term in itself, as the characters (匈奴) have the literal meaning of "fierce slave". [8] The pronunciation of 匈奴 as Xiōngnú [ɕjʊ́ŋnǔ] is the modern Mandarin Chinese pronunciation, from the Mandarin dialect spoken now in Beijing, which came into existence less than 1,000 years ago.
