Key control mechanism allows cells to form tissues and anatomical structures in the developing embryo

Determination of neural progenitor cell-cell de-adhesion forces using micropipette aspiration. Credit: IST Austria Under a microscope, the first few hours of every multicellular organism's life seem incongruously chaotic. After fertilization, a once tranquil single-celled egg ....

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Researchers use satellite imaging to map groundwater use in California’s central valley

New work from UC San Diego could be revolutionary for managing groundwater use in agricultural regions around the world, as groundwater monitoring and management have been notoriously difficult to carry out due to lack of ....

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Einstein’s description of gravity just got much harder to beat

Visualization of the new gauge developed to test the predictions of modified gravity theories against the measurement of the size of the M87 shadow. Credit: D. Psaltis, UArizona; EHT Collaboration Einstein's theory of general relativity—the ....

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Scientists repeat century-old study to reveal evidence of evolutionary rescue in the wild

A microscope image of the intertidal flatworm Procerodes littoralis. Credit: Katharine Clayton, University of Plymouth A tiny flatworm found commonly on the coasts of western Europe and North America is living proof that species may ....

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Hubble watches exploding star fade into oblivion

Astronomers using NASA's Hubble Space Telescope captured the quick, fading celebrity status of a supernova, the self-detonation of a star. The Hubble snapshots have been assembled into a telling movie of the titanic stellar blast ....

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Carbon-carbon covalent bonds far more flexible than presumed

The molecules synthesized and analysed by the research group. In green and blue is the flexible C-C single bond (Takuya Shimajiri, Takanori Suzuki, Yusuke Ishigaki, Angewandte Chemie International Edition, September 30, 2020). Credit: Takuya Shimajiri, ....

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Very Large Telescope spots galaxies trapped in the web of a supermassive black hole

With the help of ESO's Very Large Telescope (VLT), astronomers have found six galaxies lying around a supermassive black hole, the first time such a close grouping has been seen within the first billion years ....

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Earthquake forecasting clues unearthed in strange precariously balanced rocks

Credit: Imperial College London/Caroline Brogan Precariously balanced rocks (PBRs) are formations found throughout the world where a slender boulder is balanced precariously on a pedestal boulder. They form as blocks preserved on cliffs, or when ....

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What tiny surfing robots teach us about surface tension

This animation demonstrates the flow pattern around a chemically active Marangoni surfer. Credit: Saeed Jafari Kang and Hassan Masoud Propelled by chemical changes in surface tension, microrobots surfing across fluid interfaces lead researchers to new ....

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Scientists characterize previously unknown gut reactions

Reconstructed microscopy image of a bacteriophage, which is a virus that attacks bacteria. Credit: Purdue University and Seyet LLC Strictly speaking, humans cannot digest complex carbohydrates—that's the job of bacteria in our large intestines. UC ....

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