~hackernews | Bookmarks (169)
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Plant material on blades on Rapa Nui suggests residents visited South America
by Bob Yirka , Phys.org Anakena site as it looks today after excavations and restoration. Credit:...
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Astronomers discover a rare eclipsing X-ray binary
by Tomasz Nowakowski , Phys.org OGLE IV, Swift UVOT, and Swift XRT light curves for Swift...
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Mantle convection –> seaway closure that transformed oceanographic circulation
by Hannah Bird , Phys.org Paleogeographic reconstructions through the Cenozoic (last 66 million years) and cross...
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Neolithic boats found in the Mediterranean reveal advanced nautical technology
Excavation of Canoe 5. Credit: PLOS ONE (2024). DOI: 10.1371/journal.pone.0299765, CC-BY More than 7,000 years ago,...
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Rare eleventh-century astrolabe discovery shows Islamic–Jewish sci. exchange
The Verona astrolabe. Credit: Federica Gigante The identification of an eleventh-century Islamic astrolabe bearing both Arabic...
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In wake of powerful cyclone, remarkable recovery of Pacific island's forests
These photos show the rapid recovery of the forest canopy on Tanna, following Cyclone Pam in...
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Researchers observe how energy of single electron is tuned by surrounding atoms
A discrete energy level of an atomic vacancy in an atomically thin material shifts upon excitation...
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Migration out of Africa may have been driven by first glaciation of Pleistocene
by Bob Yirka , Phys.org Credit: Pixabay/CC0 Public Domain A pair of planetary scientists, one with...
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Titanosaurs were the biggest land animals Earth's ever seen
The fossilized skin of a titanosaur embryo discovered in Argentina. Credit: L. M. Chiappe, Natural History...
