Nov. 11, 2020 Three new articles present major advances in understanding the evolution of birds and mammals, made possible by new methods for comparing the genomes of hundreds of species. Researchers developed a ...
Nov. 10, 2020 Researchers say they have found more concrete evidence of the volcanic cause of the largest mass extinction of life. Their research looked at two discrete eruption events: one that was previously ...
Nov. 9, 2020 When and how did the first animals appear? Science has long sought an answer. Researchers have now jointly found, in Greenland, embryo-like microfossils up to 570 million years old, revealing that ...
Nov. 7, 2020 New research describes a fossil family that illuminates the origin of perissodactyls - the group of mammals that includes horses, rhinos, and tapirs. It provides insights on the controversial ...
Nov. 5, 2020 Researchers seek to understand the genetic, sociopolitical and cultural changes surrounding the formation of the eastern Eurasian Steppe's historic empires. The study analyzes genome-wide data ...
Nov. 5, 2020 Researchers sought to understand the genetic, sociopolitical and cultural changes surrounding the formation of the eastern Eurasian Steppe's historic empires. The study analyzed genome-wide data ...
Nov. 3, 2020 Cells can evolve specialized functions under a much broader range of conditions than previously thought, according to a ...
Oct. 29, 2020 A global study of ancient dog DNA presents evidence that there were different types of dogs more than 11,000 years ago in the period immediately following the Ice ...
Oct. 29, 2020 Researchers analyzed the genome of the oldest human fossil found in Mongolia to date and show that the 34,000-year-old woman inherited around 25 percent of her DNA from western Eurasians, ...
Oct. 28, 2020 Membraneless compartments -- models for a potential step in the early evolution of cells -- have been shown to persist or form, disappear, and reform in predictable ways through multiple cycles of ...
Oct. 28, 2020 Chemists studying how life started often focus on biopolymers like peptides and nucleic acids, but modern biopolymers don't form easily without help from living organisms. A possible solution to ...
Oct. 27, 2020 Living organisms aren't the only things that evolve over time. Cultural practices change, too, and in recent years social scientists have taken a keen interest in understanding this cultural ...
Oct. 27, 2020 Big tidal ranges some 400 million years ago may have initiated the evolution of bony fish and land vertebrates. This theory is now supported by researchers who, for the first time, have used ...
Oct. 19, 2020 252 million years ago, at the transition from the Permian to the Triassic epoch, most of the life forms existing on Earth became extinct. Using latest analytical methods and detailed model ...
Oct. 19, 2020 Organic molecules formed the basis for the evolution of life. But how could inorganic precursors have given rise to them? Chemists now reports a reaction pathway in which minerals catalyze the ...
Oct. 19, 2020 Life as we know uses energy to reproduce itself. Organisms build and break down larger molecules using a common set of reactive intermediate energy carrier molecules. These carrier molecules help ...
Oct. 16, 2020 Mammals and birds today are warm-blooded, and this is often taken as the reason for their great ...
Oct. 12, 2020 Pioneering analysis of 200 million-year-old teeth belonging to the earliest mammals suggests they functioned like their cold-blooded counterparts - reptiles, leading less active but much longer ...
Oct. 6, 2020 A statistical analysis of that vast database is helping scientists better understand the evolution of these cold-blooded vertebrates by contradicting a widely held theory that major transitions in ...
Oct. 2, 2020 In the search for the chemical origins of life, researchers have found a possible alternative path for the emergence of the characteristic DNA pattern: According to the experiments, the ...
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