The hadal zone-Earth’s deepest oceanic trenches below 6,000 meters-has long been considered a lifeless abyss.Researchers from the Institute of Hydrobiology(IHB)and the Institute of Deep-Sea Science and Engineering(ID...The hadal zone-Earth’s deepest oceanic trenches below 6,000 meters-has long been considered a lifeless abyss.Researchers from the Institute of Hydrobiology(IHB)and the Institute of Deep-Sea Science and Engineering(IDSSE),both under the Chinese Academy of Sciences,together with collaborators from Northwestern Polytechnical University,recently decoded how fish thrive in this extreme realm through two evolutionary pathways while uncovering alarming traces of human pollution in these pristine ecosystems.Their discovery was published in Cell on March 6,2025.展开更多
International agreements such as the Paris Agreement encourage developed countries to diffuse renewable energy technologies to developing nations at different stages of the technology lifecycle,aiding the latter in mi...International agreements such as the Paris Agreement encourage developed countries to diffuse renewable energy technologies to developing nations at different stages of the technology lifecycle,aiding the latter in mitigating and adapting to global climate change.This study constructs a big-data map of 322,761 solar technology patent diffusions among 175 countries from 1970 to 2022.By employing innovative multi-layer community network models,key technology identification frameworks,and main path analysis,we analyze the network characteristics,community patterns,and evolutionary pathways of global solar technology diffusions.The findings reveal:(1)Global solar technology has transitioned from rapid growth to maturity,with post-2011 technological inventions declining by 41.12%.(2)The hub function of technology diffusion has shifted from centralization to decentralization.Developed countries'influence in technology diffusion has weakened,while China's role in the Global South has strengthened.(3)The US has maintained a monopoly in both critical and general technology diffusion since 1970.Post-2011,China has established regional influence in low-barrier general technology diffusion.(4)Main path analysis of technology evolution shows that the US and Japan dominate 51.23%and 32.71%of key nodes in the 10 major technology clusters,respectively,while China accounts for only 10.12%.Technology importation,absorption,and re-innovation in battery modules and power generation systems are China's primary pathways to shape global influence.This study provides an objective understanding of China's global impact in solar technology development,cautioning against over-optimism based solely on market dominance.展开更多
Plants, as primary producers, have been playing an indispensable role in other organisms’ survival and the balance of whole ecosystem on Earth. Especially, they provide the main source of energy, food, and medicine f...Plants, as primary producers, have been playing an indispensable role in other organisms’ survival and the balance of whole ecosystem on Earth. Especially, they provide the main source of energy, food, and medicine for human beings, some of which are derived from the primary or secondary metabolites展开更多
文摘The hadal zone-Earth’s deepest oceanic trenches below 6,000 meters-has long been considered a lifeless abyss.Researchers from the Institute of Hydrobiology(IHB)and the Institute of Deep-Sea Science and Engineering(IDSSE),both under the Chinese Academy of Sciences,together with collaborators from Northwestern Polytechnical University,recently decoded how fish thrive in this extreme realm through two evolutionary pathways while uncovering alarming traces of human pollution in these pristine ecosystems.Their discovery was published in Cell on March 6,2025.
基金supported by the National Natural Science Foundation of China(Grant Nos.72348003,42022007&42301192)。
文摘International agreements such as the Paris Agreement encourage developed countries to diffuse renewable energy technologies to developing nations at different stages of the technology lifecycle,aiding the latter in mitigating and adapting to global climate change.This study constructs a big-data map of 322,761 solar technology patent diffusions among 175 countries from 1970 to 2022.By employing innovative multi-layer community network models,key technology identification frameworks,and main path analysis,we analyze the network characteristics,community patterns,and evolutionary pathways of global solar technology diffusions.The findings reveal:(1)Global solar technology has transitioned from rapid growth to maturity,with post-2011 technological inventions declining by 41.12%.(2)The hub function of technology diffusion has shifted from centralization to decentralization.Developed countries'influence in technology diffusion has weakened,while China's role in the Global South has strengthened.(3)The US has maintained a monopoly in both critical and general technology diffusion since 1970.Post-2011,China has established regional influence in low-barrier general technology diffusion.(4)Main path analysis of technology evolution shows that the US and Japan dominate 51.23%and 32.71%of key nodes in the 10 major technology clusters,respectively,while China accounts for only 10.12%.Technology importation,absorption,and re-innovation in battery modules and power generation systems are China's primary pathways to shape global influence.This study provides an objective understanding of China's global impact in solar technology development,cautioning against over-optimism based solely on market dominance.
基金funding from the Thousand Youth Talents Program and Institute of Botany,CAS,China
文摘Plants, as primary producers, have been playing an indispensable role in other organisms’ survival and the balance of whole ecosystem on Earth. Especially, they provide the main source of energy, food, and medicine for human beings, some of which are derived from the primary or secondary metabolites
