A droplet of treated wastewater falls thirty centimetres and strikes a thin plastic film. The impact lasts a fraction of a second. Fifteen LEDs flash on. This happens, over and over, inside a modest laboratory at Lanzhou Jiaotong University, where researchers have built a generator that runs entirely on the kinetic energy of falling sewage, … Read more
Every year, roughly 90 tropical cyclones spin up across the world’s oceans, each one dragging carbon dioxide out of the sea and flinging it into the air. That, at least, is what most scientists assumed. The problem was that nobody had managed to measure the whole thing properly. Ships don’t sail into hurricanes. Moored sensors … Read more
Somewhere in a Japanese port, a shipping container hums. Inside it, a stack of ceramic wafers, each thinner than a credit card, is converting natural gas directly into electricity without combustion, without turbines, without the thermodynamic waste that haunts conventional power plants. The device is a solid oxide fuel cell, and at roughly 55 per … Read more
Two adjacent fields in Jiangxi Province, China, grow different crops — one peanuts, one rice. The soils beneath them look similar enough: both acidic, both fertilised at similar rates, both collected from the same shallow depth. Mix biochar into either of them and you’d expect a broadly similar result. You’d be wrong. A new study … Read more
The Battambang bat caves draw tourists from around the world. Each evening, thousands of bats pour from the limestone cliffs in swirling clouds, a spectacle that fills the Cambodian sky. What visitors don’t see is the invisible cargo these flying mammals carry, a sprawling viral universe that researchers are only beginning to map. Between 2020 … Read more
In a laboratory at Nanjing Agricultural University, a common soil fungus is doing something chemical engineers have struggled with for decades. Aspergillus niger, the same organism that helps ferment soy sauce and produces citric acid for fizzy drinks, is quietly dissolving phosphorus from one of the world’s most problematic industrial wastes. The waste is phosphogypsum, … Read more
Eight million tonnes of cigarette butts are tossed onto streets and into bins worldwide each year. Most decompose glacially slowly, leaching toxins as they go. But what if this ubiquitous waste could power your phone? Researchers in China have transformed discarded cigarette filters into carbon supercapacitors with performance that rivals commercial activated carbon. The trick … Read more
For years, the price of clean hydrogen has stubbornly remained three to five times higher than the carbon-heavy version made from natural gas. That gap has kept the hydrogen economy theoretical rather than practical. A new solar-powered system that replaces half the chemistry in water splitting has just closed that gap entirely, producing green hydrogen … Read more
The acrid smell of wildfire smoke is unmistakable. It stings the eyes, coats the lungs, and lingers for days after flames move on. But the visible haze drifting from burning forests and grasslands tells only part of the story. Hidden within that smoke is a sprawling chemical arsenal that scientists have systematically undercounted for decades. … Read more
Behind every quick EV top up, the power grid is working harder than most drivers ever realize. In a new experimental modeling study published August 25 2025 in the journal Green Energy and Intelligent Transportation (Beijing Institute of Technology Press), Nitin Kumar Saxena of Teerthanker Mahaveer University in India and David Wenzhong Gao of the … Read more