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Category: sustainability

New energy-boosting quantum mechanism discovered in photosynthetic bacteria

Researchers have discovered how certain photosynthetic bacteria use a sophisticated quantum mechanism to increase their efficiency when capturing sunlight. The study, published today in the journal Nature Chemistry and led by Professor Jenny Clark, reveals that nature has been using a process called “singlet fission,” effectively a “two-for-one” energy deal, to optimize solar harvesting. The findings provide a new blueprint for green technology, particularly as engineers attempt to copy this mechanism to build next-generation solar panels and quantum technologies.

While scientists have long understood the basic rules of how plants and bacteria convert light into chemical fuel, the biological role of singlet fission has historically remained poorly understood.

How longer exciton lifetimes could ease efficiency trade-off in organic solar cells

Although the efficiency of organic solar cells has now risen to more than 20%, there are physical limits that make it difficult to further increase their performance. A research team from Linköping University in Sweden, the University of Potsdam, the Paul-Drude-Institut in Berlin and other collaborators has now demonstrated which physical processes limit a key parameter in the performance of organic solar cells. This opens up the possibility of overcoming the long-standing efficiency limits of organic solar cells.

The work is published in the journal Nature Photonics.

Growing a new ‘leaf’ that harnesses sun, water and CO2 to make liquid fuel

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A Yale-led research team has developed the first standalone device that produces the liquid fuel methanol using only sunlight, water, and carbon dioxide as the ingredients.

The artificial “leaf,” like its namesake in nature, is a chemistry marvel. It brings the scientific mimicry of photosynthesis — the process of converting sunlight and water into chemical energy — to a new level, converting sunlight to methanol 32 times more efficiently than the previous conversion record for artificial leaf technologies that generate alcohol products.

Wave-packet interferometry captures elusive dark excitons in organic superconductor

In a recent study, Manish Garg, independent group leader at Max Planck Institute for Solid State Research (MPI FKF), succeeded in probing the local properties of bright and dark excitons in the organic superconductor copper naphthalocyanine (CuNc). The findings are published in the journal Nature Communications.

This study was the result of the efforts of an international collaboration that brought together the MPI for Solid State Research in Stuttgart, the Università della Calabria and the Universidad Autónoma de Madrid.

By combining scanning tunneling microscopy with wave-packet interferometry, the authors gained remarkable—and previously inaccessible—insights into exciton dynamics. The insights gained with this technique can be of paramount importance both in the field of energy materials—where excitons play a central role in light-harvesting technologies such as solar cells—and in quantum technologies, as excitons are considered a promising platform for quantum computing.

Earth’s energy imbalance has doubled—here’s why that matters

Heatwaves across Europe and South Asia have dominated the news recently. But these events are really a surface expression of more fundamental changes affecting our planet: Earth itself is accumulating heat faster than ever before.

We lead a large international team of scientists who come together every year to provide an update on the state of the climate system. This year, we find that Earth’s energy imbalance—the difference between the amount of energy entering and leaving the planet—has doubled in recent decades and is now at record levels.

This extra heat is a key indicator of the pace and scale of human-caused climate change. In a climate unaffected by human greenhouse gas emissions, Earth’s energy imbalance would be zero. But since the 1970s, Earth has become increasingly out of balance. This rate of increase is faster than expected, and work is underway to understand exactly why this is happening.

When the Virus Knows the Answer Before We’ve Asked the Question : How Scientists Are Learning to Forecast Pandemics Before They Happen

Climate change as the macro engine for viral emergence The BA.3.2 “Cicada” variant’s hidden evolution Yeast-display technology and viral forecasting Pan-coronavirus vaccine development at La Jolla Institute How conserved viral regions unlock universal defenses.

Scientists can now force a virus to evolve in a test tube — and predict a pandemic before it starts. Heliox explores the 2026 yeast-display breakthrough that reproduced Omicron’s exact mutations in just two generations, connects it to the climate-driven migration of bat populations worldwide, and asks: are we approaching the day when we vaccinate against a pandemic that hasn’t happened yet?

Why Time Travel is Banned in China

Watch the full podcast! https://chinauncensored.tv/programs/p…
There are certain themes that movies in China can’t have, and one of them is time travel. In this clip we discuss China’s ban on time travel, how the CCP got Tesla and Elon Musk to heel, and why the CCP no longer needs Hollywood. Our guest is Chris Fenton, the producer of Bad Counselors, which comes to theaters July 22–27, 2026. https://www.badcounselors.com

Battery ‘bath’ restores spent lithium-ion cells to 95% power, cuts recycling costs 56%

The critical minerals that power lithium-ion batteries are in high demand and short supply, especially for the U.S., which must rely on importing resources such as nickel and cobalt to manufacture the technology.

Cornell researchers have now developed a more efficient and cost-effective way to recover almost the full life of these batteries after they are spent. By using an electrochemical solution to regenerate their electrodes, the recycled batteries can regain up to 95% of their original power and last longer when reused, the researchers demonstrated.

The process could also slash current recycling costs by 56% and would be more environmentally friendly than current methods.

How languages recycle parts of words to avoid confusion

Many languages recycle words, giving them different meanings. For example, in English, “run” can mean to move quickly but also to manage something, like “run a company.” In Spanish, “lengua” is both the word for tongue and language, as in “la lengua española.” This type of word reuse is known as colexification.

But there is another type of recycling, and that is partial colexification, where languages reuse only parts of words. A good example is the word “grand,” which is shared in “grandfather” and “grandmother.” Until now, very little was known about the rules, patterns and how widespread this type of recycling is across different languages.

A new study published in the journal Nature Human Behaviour explores how different languages systematically reuse these smaller word parts while balancing efficiency with the need to keep meanings distinct. Barend Beekhuizen at the Department of Language Studies at the University of Toronto Mississauga in Canada has published a News & Views piece on the research in the same journal.

3D photothermal design unlocks 8.5-fold higher solar evaporation for desalination and crop irrigation

The global shortage of freshwater has become a critical challenge. Conventional water treatment relies heavily on fossil fuels and associated infrastructure, which can make it unsuitable for remote and harsh regions. In contrast, solar thermal evaporation is a promising alternative, but its application is limited by material performance and production constraints.

Now, researchers from the Institute of Process Engineering, Chinese Academy of Sciences, and Shenzhen University have developed a new three-dimensional (3D) photothermal structure that greatly improves solar evaporation efficiency.

The new structure tightly integrates polymer chains with hollow multishelled structures (HoMS), yielding a record evaporation rate of 38.14 kg m-2 h-1 —a figure 8.5 times higher than rates previously reported for two-dimensional membrane systems.

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