科学与环境
Webb's controversial 'little red dots' may finally have an explanation
来源: Phys.org - latest science and technology news stories · 发布于
Astronomers may have solved one of the biggest mysteries uncovered by NASA's James Webb Space Telescope (JWST), using sophisticated simulations to show that enigmatic objects known as "little red dots" (LRDs) are likely the birthplaces of the first supermassive black holes.
Astronomers may have solved one of the biggest mysteries uncovered by NASA's James Webb Space Telescope (JWST), using sophisticated simulations to show that enigmatic objects known as "little red dots" (LRDs) are likely the birthplaces of the first supermassive black holes.
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A dead star's mysterious rings reveal what could happen when our Sun dies
Astronomers have discovered a strange double ring of planetary wreckage around a dead star, revealing a possible preview of our Solar System's distant future. The two rings are separated by a mysterious gap that researchers believe is maintained by surviving planetary bodies, inc
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NASA is racing against time to save the Hubble Space Telescope
NASA is exploring a daring plan to save the legendary Hubble Space Telescope from its eventual fiery plunge into Earth's atmosphere. After more than 35 years of groundbreaking discoveries, Hubble is slowly losing altitude, and without intervention, it could fall back to Earth as
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New approach boosts plastic-eating enzyme's activity nearly tenfold
Researchers from King's College London and Rutgers University in New Jersey created a modified enzyme (a protein that speeds up chemical reactions) that breaks down polyethylene terephthalate (PET) plastic 10 times quicker, using 10 times less enzyme. They accomplished this just
Phys.org - latest science and technology news stories ·
Financial institutions tout sustainability while still funding high-carbon projects, review finds
A review published in the International Journal of Managerial and Financial Accounting on the subject of greenwashing in financial services has found that financial institutions often claim environmental responsibility while continuing to finance high-carbon projects.
Phys.org - latest science and technology news stories ·
Protein-building RNA molecules reveal possible remnants of an ancestral genetic code
The genetic code determines the correspondence between genetic instructions and amino acids—the building blocks that form proteins. How this correspondence arose is one of the major open questions in evolutionary biology. A study led by Dr. Lluís Ribas de Pouplana, ICREA research
Phys.org - latest science and technology news stories ·