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Category: chemistry

Impacts from meteors may have helped start life on Earth by creating hydrothermal vents

Meteor impacts may have helped spark life on Earth, creating hot, chemical-rich environments where the first living cells could take shape, according to research integrated by a recent Rutgers University graduate. Shea Cinquemani, who earned her bachelor’s degree from the School of Environmental and Biological Sciences in May 2025, has published a paper based on research she started during the spring of her senior year.

“No one knows, from a scientific perspective, how life could have been formed from an early Earth that had no life,” said Shea Cinquemani, who earned her bachelor’s degree in marine biology and fisheries management from the Rutgers School of Environmental and Biological Sciences in May 2025. “How does something come from nothing?”

Cinquemani is the lead author of a review, published in the Journal of Marine Science and Engineering, examining where life may have first formed on Earth. The paper focuses on hydrothermal vents, places where hot, mineral-rich water flows through rock and emerges into surrounding water, creating the chemical conditions and energy gradients needed for complex reactions.

Bile acid and steroid signatures tied to extreme longevity

Centenarians often live to 100+ due to a combination of protective genetic factors, which account for up to 50%, and healthy lifestyles, such as plant-forward diets, regular, natural movement and strong social connections. While these “agers” often possess unique immune system signatures, understanding the metabolic signs of healthy aging is not yet fully understood.

In a new study from Boston University Chobanian & Avedisian School of Medicine, researchers have discovered that centenarians have a distinct blood metabolite pattern that is not just an extension of normal aging. In particular, they show uniquely higher levels of certain primary and secondary bile acids and preserved levels of several steroids, patterns that diverge from the typical age trends seen in non-centenarians and that are linked to lower death risk. The study is published in the journal GeroScience.

“Our study points to measurable chemical fingerprints in the blood that are associated with living a very long and healthy life. If we can understand those fingerprints, we may identify biological pathways that could contribute to protecting people from age-related decline,” explains corresponding author Stefano Monti, Ph.D., professor of medicine at the school.

Scientists Discover How to Stop Vision Loss Before It Starts

Scientists have identified molecules that can protect the eye’s cone cells from degeneration, a major cause of vision loss. The discovery points to new drug targets—and even uncovers compounds that may be harmful.

Researchers led by Botond Roska at the Institute of Molecular and Clinical Ophthalmology Basel (IOB), along with an international team, have uncovered genetic pathways and chemical compounds that can help protect cone photoreceptors. These cells are damaged in diseases such as age-related macular degeneration, a leading cause of vision loss.

Why cone cells matter for sight.

Glyphosate: A common weedkiller may induce anxiety by disrupting gut bacteria

Rats exposed to widely approved levels of a common herbicide developed hypervigilance and an unnatural fear of harmless objects. The effect seems driven by the chemical’s ability to kill mood-regulating bacteria in the digestive tract.

What’s inside a masterpiece? Laser scans and AI map paint layers molecule by molecule

Paintings are far more than dabs of oil on canvas. They are complex works of art composed of multiple layers, from primer and glues to the pigments and protective varnishes applied by the artists. Being able to see into these layers and map their chemical makeup is essential for art historians and conservators. A new technique developed by an international team of scientists can now probe paint layers in far greater molecular detail than before.

As they describe in a paper published in the journal Science Advances, the researchers combined a technique called MALDI-MSI (matrix-assisted laser desorption/ionization mass spectrometry imaging) with an AI named MSIpredictART to help identify the specific pigments and binders present in each layer of a painting.

Current approaches looking at the internal structure of a painting have to run several different tests on tiny samples. MALDI-MSI reduces the need for multiple separate techniques by using a high-resolution laser scan to map both the pigments and the binder or glue that holds them together.

Hygroscopic salts pull lithium from mining waste using only moisture from air

The world cannot have enough of the third element on the periodic table. From smartphones and laptops to state-of-the-art EVs, all are powered by lithium batteries. The demand for metal is only going to rise, and projected values suggest nearly a triple increase in demand by 2030. The traditional process of lithium mining is both water and energy-hungry. One such step is the dissolution of lithium salts from other competing minerals during the separation process.

In a study published in Nature Communications, researchers present a clever way to harness the deliquescence of lithium chloride hydrate (LHT)—a unique ability to naturally pull moisture from the air to dissolve itself—to extract and concentrate lithium from mining waste while leaving behind unwanted minerals.

The method achieved up to 97% lithium recovery with an increase in the lithium purity by 1,500 times, producing a liquid concentrate with lithium levels reaching 97,000 parts per million, which was more than twice as concentrated as the standard solutions used in battery processing.

AI Designed Peptides Could Cure… EVERYTHING. LigandForge Is Here

LigandForge generates 150,000 peptide drug candidates in 3 minutes — a million times faster than existing methods, unlocking a tsunami of possible treatments.

A man with no medical background used ChatGPT, AlphaFold, and Grok to design a custom mRNA cancer vaccine for his dying dog — and her biggest tumor shrank 75%.

Meanwhile, scientists discovered a single protein that literally spreads aging through your bloodstream. These stories are each incredible on their own. But the big story is the implications for curing aging.

In this deep dive, I break down how these three breakthroughs fit together, what peptides and mRNA vaccines actually are (and how they’re different), and why this moment might be the most important inflection point in the history of drug design.

The age of custom AI cures isn’t coming. It’s here.

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Breaking recalcitrant lignin bonds with electricity for conversion into value-added chemicals: An e-biorefinery

A research team led by Professor Jaehoon Kim at Sungkyunkwan University and Dr. Dong Ki Lee at the Korea Institute of Science and Technology (KIST) has developed a highly efficient catalytic process that electrochemically converts lignin, a key component of woody biomass, into value-added aromatic compounds and cyclohexene-based compounds.

The study demonstrates that the recalcitrant ether bonds in lignin can be selectively cleaved under relatively mild conditions without the use of external hydrogen gas, while simultaneously upgrading lignin into useful chemical precursors.

The research results were published in Applied Catalysis B: Environment and Energy.

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