LND topic: leaching page 1

leaching

How tiny changes in metal processing can reduce pollution risks

June 7, 2026

Making metals like copper leaves behind a lot of waste called slag. This waste can sometimes release harmful elements like arsenic, antimony, and molybdenum into the environment. Scientists tested how different cooling speeds and chemical conditions affect this release. When slag cools fast, it tur

environment

Fireworks Leave a Hidden Water Footprint

May 27, 2026

After the fireworks explode, people often think only the smoke matters. But tiny bits of leftover firecracker powder pile up along rivers and lake edges because safety rules keep them there. Those piles slowly seep water that carries new chemicals into the streams. Scientists tested how this seepage

science

Harnessing Microbes to Extract Valuable Metals from Old Gadgets

January 13, 2026

The push for clean energy has created a huge need for metals. Instead of digging them out of the ground, we can get them from old electronics. This is not only good for the environment but also makes economic sense. Traditional ways of extracting metals from e-waste are not great. They use a lot of

science

Sunlight's Surprising Effect on Eagle Feathers

December 29, 2025

Spanish imperial eagles start life with bright orange feathers. But over time, these feathers change color. This is not because they grow new feathers. It is because of sunlight. Scientists studied this effect. They took feathers from young eagles. Then, they put these feathers in the sun for 15 we

environment

Green Tech: Turning Old Solar Panels into Treasure

October 22, 2025

Solar panels are a big deal for clean energy, but what happens when they get old? That's where tiny helpers called microbes come in. These little guys can actually help us pull out valuable stuff like copper and aluminum from old solar panels. It's called bioleaching, and it's a fancy way of saying

science

How to Extract Rare Earths Efficiently and Cleanly

June 9, 2025

Rare earth elements are crucial for modern technology. They are often found in weathered crusts. However, extracting them is tricky. The process usually brings out unwanted impurities. These impurities need to be removed before the rare earths can be used. This removal step can lead to significant l

environment

The Hidden Treasure in Old Gadgets

April 29, 2025

Electronic waste is a big problem. It's full of valuable metals that can be reused. One way to get these metals is through bioleaching. This process uses tiny organisms to pull out metals from waste. A recent study focused on getting pure copper from old printed circuit boards. This is important bec

environment

Coral Reefs in Crisis: A Global Heatwave Impact

April 23, 2025

Coral reefs, often called the underwater rainforests, are in serious trouble. They support about a third of all marine species and a billion people. But right now, more than 80% of the world’s reefs have been hit by bleaching. This is the worst global bleaching event ever recorded. The heat has

environment

Hawaii's Corals Show Surprising Comeback After Heatwave

April 21, 2025

In the vast ocean, corals face many threats. One of the biggest is marine heatwaves. These events can cause coral bleaching, which happens when corals get too hot and lose the algae that give them food and color. Without these algae, corals can die, leaving behind bare skeletons. Often, these skelet

science

Microbial Metal Extraction: A New Twist on Old Tricks

April 9, 2025

The world of waste management has seen a fascinating development. Tiny organisms, known as Acidithiobacillus, have been put to work to pull out valuable metals from trash. These microbes have traditionally been used to extract metals from rocks. Now, they are being trained to do the same with waste