科学与环境
Typhoons batter East Asia as El Niño makes Pacific 'burn with fever'
来源: feeds.bbci.co.uk · 发布于
Even for countries where typhoons are a way of life, the last few months have brought unusually wild weather.
Even for countries where typhoons are a way of life, the last few months have brought unusually wild weather.
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Scientists shrink Archimedes’ screw to the size of a single molecule
Scientists have built a groundbreaking molecular motor that spins in either direction using electricity, inspired by a machine invented more than 2,000 years ago. Even more remarkably, its rotation can boost electrical conductivity by up to 100 times, potentially transforming the
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Your blood pressure could be dangerous even when your numbers look normal
Researchers have discovered a small group of brain cells that prevents dangerous blood pressure swings, even when average readings appear normal. The finding reveals a hidden source of cardiovascular risk and could open the door to new treatments that protect the heart and brain.
All Top News -- ScienceDaily ·
First direct observations reveal hydrogen dissolved in tiny gaps between metal atoms
University of Sydney researchers have made a breakthrough by directly observing hydrogen in the tiny spaces between the atoms in metal alloys. The world-first observation of hydrogen dissolving in these 'metal crystal lattices' offers fresh insights into why hydrogen can weaken m
Phys.org - latest science and technology news stories ·
Scientists reveal how cosignaling receptors dually regulate T cell activation via phase separation
Previous studies have shown that upon antigen stimulation, the T cell receptor (TCR) undergoes phase separation with the kinase Lck to mediate rapid T cell activation. However, the manner in which costimulating receptors regulate this process has remained unclear.
Phys.org - latest science and technology news stories ·
Ancient coins suggest influential Iron Age king was female
Bournemouth University (BU) archaeological research has revealed that Iron Age British ruler "Verica," who was central to the Roman invasion of Britain in A.D. 43, was in fact a woman. This discovery rewrites the history of early Roman Britain.
Phys.org - latest science and technology news stories ·