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June 3, 2021 —Scientists have proposed that males and females started to become more similar in size and shape after the origin of farming due to natural selection. However, a new evolutionary and genomic analysis ...
Sep. 9, 2020 —An exchange of genetic material that occurred when ancient giant viruses infected ancient eukaryotic cells could have caused the nucleus of the eukaryotic cell -- its defining feature -- to form. A ...
July 25, 2022 —A new study refutes a provocative claim made earlier this year that fossils classified as the dinosaur Tyrannosaurus rex represent three separate species. The rebuttal finds that the earlier proposal ...
Aug. 7, 2022 —Did the 12th century B.C.E. -- a time when humans were forging great empires and developing new forms of written text -- coincide with an evolutionary reduction in brain size? Think again, says a ...
June 27, 2022 —Researchers have discovered the first viruses infecting a group of microbes that may include the ancestors of all complex life. The discovery offers tantalizing clues about the origins of complex ...
Mar. 29, 2021 —Research into the flower preferences of pollinating moths may have delivered a vital clue to the simple factors needed for the emergence of new ...
Nov. 17, 2022 —A team of researchers has discovered new insights into the evolution of color patterns in frogs and toads -- collectively known as anurans. Animal color patterns can help them camouflage with their ...
Dec. 16, 2021 —Researchers have investigated the genetic structure of the relic species, Acer miyabei, from three regions in Japan: Hokkaido Island and two southern groups in Northern and Central Honshu. There was ...
July 27, 2023 —An international team of linguists and geneticists has achieved a significant breakthrough in our understanding of the origins of Indo-European, a family of languages spoken by nearly half of the ...
Dec. 13, 2021 —The evolutionary origin of endothermy (the ability to maintain a warm body and higher energy levels than reptiles), currently believed to have originated separately in birds and mammals, could have ...
