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See How China Led Clean Energy, Boosted AI, and Dominated the List of the 10 Greatest Scientific Achievements of 2025.
In December 2025, Science magazine released its traditional list of the 10 Greatest Scientific Achievements of the Year, compiling discoveries that marked the last 12 months in various fields of knowledge.
The absolute highlight was China, which assumed global leadership in clean energy, while advances in AI, medicine, physics, and astronomy reinforced the central role of scientists in addressing climate, health, and technological challenges.
Right at the top of the list, China’s effort to reduce dependence on fossil fuels was cited as the main scientific achievement of 2025.
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A new study suggests that the Strait of Gibraltar may disappear because the rocks beneath it are triggering a subduction process that could reshape the entire Atlantic Ocean in the next 20 million years.
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There is a little-known function that allows you to earn a salary in dollars working from home without knowing anything about programming, and Brazilians are already making up to R$ 35,000 per month organizing inventories and routes for American companies.
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China has deployed over 1,400 fishing boats in formation, creating a barrier of 320 kilometers at sea, and the whole world wants to know if this is fishing, military exercise, or a message of war.
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Where there was only sand and wind at 40 degrees, China built a megacity of 500,000 inhabitants with farms, wineries, and universities in the middle of the desert using melted glacier water from hundreds of kilometers away.
The selection reflects not only record investments but also the direct impact of these actions in combating climate change.
From this milestone, the selection reveals how applied science, technological innovation, and basic research walked hand in hand throughout the year.
China Leads the Clean Energy Revolution
The advancement of clean energy was considered the greatest scientific achievement of 2025. Led by China, this transformation involved unprecedented investments in renewable sources such as solar and wind, as well as the strengthening of industrial chains aimed at decarbonization.
According to Science, the Chinese effort represents a turning point in the pursuit of independence from fossil fuels, the main driver of global warming.
Therefore, more than an economic decision, it is a long-term scientific strategy with global impact.
Rice Gene Strengthens Food Security in the Face of Extreme Heat
Still in China, scientists from Huazhong Agricultural University identified a gene capable of increasing rice tolerance to high temperatures.
The discovery was published in the journal Cell and addresses a critical problem in modern agriculture: the decline in productivity caused by global warming.
“Under high temperatures, the gene, QT12, interacts with the NF-Y protein complex to protect the grains as an internal barrier, resisting high temperatures while stabilizing starch and protein synthesis,” explained Li Yibo.
The innovation is strategic because the Yangtze River basin accounts for about two-thirds of the country’s rice production, increasingly threatened by heat waves.
Personalized Gene Therapy Inaugurates a New Era of Medicine
In the United States, a groundbreaking treatment based on CRISPR gene-editing technology caught the attention of the scientific community.
Just six months after birth, baby Kj Muldoon received a personalized therapy to correct ultra-rare mutations in the CPS1 gene.
“We hope KJ will be the first of many to benefit from a methodology that can be tailored to meet each patient’s individual needs,” said Rebecca Ahrens-Nickas.
The speed of the process, approved in weeks by the Food and Drug Administration, reinforces how personalized science is advancing at a rapid pace.
New Antibiotics Reignite Hope Against Gonorrhea
After decades without new developments, two innovative antibiotics have been developed to treat gonorrhea, an infection that affects more than 82 million people annually.
The results, published in The Lancet, show effectiveness of both gepotidacine and zoliflodacine.
“For the first time in decades, both patients and their health professionals will have a single-dose oral treatment option,” celebrated David Altarac.
Cancer: Scientists Reveal Strategy Used by Tumors
Researchers at the University of South Alabama discovered how cancer cells exploit nearby neurons to grow and spread.
The study, published in Nature, could redefine therapeutic approaches in the future.
“Our results suggest that we may need to change our therapeutic strategies to target cancer cells,” said Simon Grelet.
Rubin Observatory Promises Unprecedented View of the Universe
In Chile, the Rubin Observatory will begin operations with the largest camera ever built, at 3,200 megapixels. The project is expected to capture changes in the sky every 40 seconds, creating a detailed map of the universe over a decade.
“This will enable many scientific advances that were previously very difficult to achieve,” highlighted astronomer Adam Miller.
Denisovans Get Faces After 146 Thousand Years
Two studies published in the journals Science and Cell identified the so-called “dragon man” as a primitive Denisovan.
The discovery offers, for the first time, a morphological outline of this ancient human population.
“We now have the first morphological outline of Denisovan populations,” wrote the authors.
AI Accelerates Scientific Discoveries
AI played a central role in 2025, driven by million-dollar investments and the evolution of LLMs.
Advanced systems managed to identify promising drugs and reproduce scientific discoveries in days, something that previously took years.
The magazine highlighted the use of artificial intelligence in science as a true “gold rush,” involving companies like OpenAI.
Physics Reaches Historical Accuracy with Muon g-2
At Fermi Lab, scientists achieved the most precise measurement ever recorded of the muon magnetic anomaly, with 127 parts per billion.
“It’s exciting to add a precise measurement that I believe will remain valid for a long time,” commented Peter Winter.
Xenotransplantation Moves Toward the Future
Closing the list of the 10 Greatest Scientific Achievements, a genetically modified pig kidney functioned for 271 days in a human patient. The procedure marks a decisive step toward reducing organ scarcity.
“Xenotransplantation represents a turning point, eliminating organ scarcity as a barrier to transplantation,” said Leonardo Riella.
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