科学与环境
Webb Space Telescope's little red dots could hold key to first black holes
来源: Phys.org - latest science and technology news stories · 发布于
Johns Hopkins researchers searching the expanse of the universe for the existence of the first black holes are zeroing in on little red dots that may hold the key to the theoretical phenomenon.
Johns Hopkins researchers searching the expanse of the universe for the existence of the first black holes are zeroing in on little red dots that may hold the key to the theoretical phenomenon.
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Earth's slowing spin may have shaped its primordial crust
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From doctors and teachers to lawyers, every profession has a duty to align with climate goals
A Dutch family doctor named Tibor Poelmann posted a petition on an online forum for general practitioners (GPs) in 2021. He wanted their pension fund to stop investing in oil and gas. It quickly gathered 1,200 signatures.
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Coordinated activity gives large pedestrian crowds a distinctive seismic signature
Large pedestrian crowds generate distinctive seismic signals depending on their collective behavior, according to a new study that includes data from Tokyo schools and outdoor gatherings in the United States and Israel. These seismic signals are strongest in the 1–2 hertz frequen
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