科学与环境

Where are all the males? Ancient human fossils reveal a startling mystery

来源: All Top News -- ScienceDaily · 发布于

Where are all the males? Ancient human fossils reveal a startling mystery
来源: All Top News -- ScienceDaily

A remarkable discovery in a South African cave suggests that an extinct human relative may have created an all-female burial site more than 240,000 years ago. Scientists analyzed ancient proteins preserved in Homo naledi teeth and found no male-specific markers among at least 20

A remarkable discovery in a South African cave suggests that an extinct human relative may have created an all-female burial site more than 240,000 years ago. Scientists analyzed ancient proteins preserved in Homo naledi teeth and found no male-specific markers among at least 20 individuals, potentially solving a mystery that has puzzled researchers for over a decade.

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Ancient rocks reveal when Earth's tectonic engine 'switched on'
科学与环境

Ancient rocks reveal when Earth's tectonic engine 'switched on'

Scientists have identified a major turning point in Earth's geological history, when the processes shaping the planet's crust changed dramatically and began to resemble the plate tectonics we see today—about 2.5 billion years ago.

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Scientists just found dinosaur blood that survived 115 million years
科学与环境

Scientists just found dinosaur blood that survived 115 million years

Scientists have discovered chemically confirmed traces of ancient blood inside 115-million-year-old dinosaur bones, challenging assumptions about how long biological molecules can survive. The extraordinary preservation could unlock new clues about dinosaur physiology and even he

All Top News -- ScienceDaily ·