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A species of jumping spider appears to enter a deep sleep phase that resembles rapid eye movement (REM) in humans, the stage in which we typically dream
We haven't written up this one. Smithsonian has the full story — the link below goes straight to it.
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Working as a Christian minister years ago, Landon Schnabel noticed a paradox common to many U.S. churches: Men filled leadership roles, implying that religion is masculine and patriarchal, but many…
Ruthenium (Ru) is a valuable metal used in catalysts to speed up chemical reactions in many industrial processes. It can help improve efficiency and reduce the energy needed for chemical production.
For more information, contact Joel W. Sills, Langley Research Center, joel.w.sills@nasa.gov. Download the PDF version An instrumented hammer test does not require an idealized single half-sine waveform. When the complete force and response are measured accurately, crest ripples and separated contacts remain known inputs.
For more information, contact Joel W. Sills, Langley Research Center, joel.w.sills@nasa.gov. Download the PDF version An instrumented hammer test does not require an idealized single half-sine waveform. When the complete force and response are measured accurately, crest ripples and separated contacts remain known inputs.
“The explosion packed roughly a billion years of the sun’s energy output into a pencil-thin beam” The post A Collapsing Star Produced an Afterglow Brighter Than Its Galaxy appeared first on Nautilus .
