LND topic: melquiades-estrada- page 1

melquiades estrada

Turning old batteries into water cleaners: a surprising win for tech and the planet

March 30, 2026

Every year, billions of used alkaline batteries end up in landfills, leaking harmful metals like zinc and manganese. Instead of just chucking them away, scientists found a clever way to give these batteries a second job. They turned battery scrap into tiny particles that can purify dirty water under

science

Microbes and bugs: How gut bacteria change infection risks in fruit flies

March 30, 2026

When tiny fruit flies eat, their gut bacteria might help decide whether they survive an infection or not. Scientists studied four types of these flies by messing with their tiny gut communities. First they weakened the bacteria living inside some of the flies. Then they exposed all the flies to harm

education

Philadelphia’s arts scene after a major university leaves

March 30, 2026

Philadelphia learned a tough lesson in 2024 when a historic arts university shut down. Thousands of students, artists, and teachers had to figure out what comes next. The city’s creative world didn’t collapse, but it did feel the ripple effects everywhere—from classrooms to neighborhood studios. Tw

crime

Food Matters Even Behind Bars: What Inmates Really Think About Their Meals

March 30, 2026

Prison food often gets a bad rap, but new insights show it might reveal more than just taste preferences. Researchers looked at how incarcerated people rate their meals and linked those opinions to personal habits and backgrounds. Surprisingly, food satisfaction isn't just about hunger—it connects t

science

Lasers in War: The Hidden Shift in How Battlefields Work

March 30, 2026

Military lasers don’t scream like movie guns. Real ones work quietly, zapping drones by frying their cameras or overloading their circuits. No explosive sounds, no bright red beams—just sudden, invisible damage. Some versions can even knock flying targets out of the sky, though governments rarely br

health

What Happens Inside the Brain in Parkinson’s Disease?

March 30, 2026

Parkinson’s disease slowly changes how the brain works. It starts when tiny cells that make dopamine begin to disappear. Dopamine is a key messenger in the brain that helps control movement. Without enough of it, people often feel stiff, move slowly, and shake when resting. These problems grow worse

entertainment

Looks From New Jaadugar Trailer Are Stealing Summer 2026 Hype

March 30, 2026

Summer 2026 already promises a packed anime season, but one title keeps slipping off the radar. Jaadugar: A Witch in Mongolia just dropped its first trailer, and instead of drawing attention, fans are quietly wondering why it hasn’t sparked bigger excitement. Based on Fatima, a Persian woman who inf

health

Easy ways to sleep better and wake up refreshed

March 30, 2026

Sleep problems often come from trying too hard to get perfect rest. Many people chase sleep routines that feel too rigid or complicated. Instead of focusing on endless tricks, small daily habits can make a bigger difference. For example, eating dinner earlier gives your body time to digest before be

science

Why brain scans need better diversity data to work for everyone

March 30, 2026

Brain scans like MRIs help doctors spot brain changes linked to diseases. But these scans may not work the same for everyone. Studies show brain measurements can differ widely across ethnic groups and income levels. Yet most brain research is done on a small slice of the population, mainly white and

sports

World Cup Showdown: Bosnia and Italy battle for history

March 30, 2026

Bosnia and Herzegovina is gearing up to face Italy in a high-stakes match that could decide who advances to soccer's biggest stage—the 2026 World Cup. While Italy is widely seen as the stronger team, Bosnia isn’t backing down. The Balkan side just pulled off a surprising win against Wales, proving t