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Extinct bovine species discovered in Siberia reveals lost relative of yaks
科学与环境

Extinct bovine species discovered in Siberia reveals lost relative of yaks

DNA analyses of ancient remains have revealed a previously unknown extinct bovine species that inhabited southern Siberia during and even before the last ice age. The extinct species was related to modern yaks but followed a separate evolutionary path for hundreds of thousands of

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科学与环境

Scientists discover a human brain gene that can jump through DNA

Scientists have discovered a human gene with a remarkable double life: it appears to play an important role in brain cells while still retaining the ability to jump around the genome. Called BC200, the gene evolved millions of years ago from a mobile piece of DNA known as a trans

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The “glue” holding your cells together has a surprising second job

Scientists have discovered that E-cadherin, a protein best known as the “glue” holding cells and tissues together, has a surprising second job: helping epithelial cells swallow nearby dead cells. Using live zebrafish and mouse embryos, researchers found that cells can dramaticall

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科学与环境

Chang’e-6 lunar soil contains a surprising magnetic time capsule

Scientists studying Chang’e-6 lunar soil have discovered a previously unknown magnetic mineral in natural Moon samples: a form of metallic iron called γ-Fe. Found inside tiny impact-glass particles, the nanoscale iron can preserve a stable magnetic signal, potentially acting like

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Leucine does more than build muscle. It powers up your cells

The essential amino acid leucine can boost cellular energy production by protecting key proteins on mitochondria from being destroyed. The discovery reveals a new connection between nutrition and metabolism that could eventually lead to new approaches for metabolic disorders and

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The early universe wasn’t nearly as pristine as scientists thought

JWST has revealed that galaxies were spreading carbon, oxygen, and other heavy elements through space just 500 million years after the Big Bang. The surprising discovery suggests the young universe became chemically enriched much earlier than expected, potentially erasing traces

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