Nonstick pans work because PTFE coatings have low surface energy, making it hard for food, water, and oil to grip the surface.
Category - Science
The science category is designed to provide students with a comprehensive understanding of the natural world and the scientific principles that govern it. This category includes articles, tutorials, and resources on a range of topics, including physics, chemistry, biology, and more.
Akshay Dinesh
How Laundry Sends Plastic Microfibers Into Water
Synthetic clothes can shed tiny fibers in the wash, sending microplastics from laundry rooms toward wastewater and waterways.
Why Flu Season Builds When Weather Turns Cooler
Flu season rises in cooler months because indoor time, dry air, virus survival, and human behavior line up.
How Scientists Decide When an El Niño Is Very Strong
Very strong El Niño events are classified with ocean-temperature thresholds, atmosphere signals, models, and careful probability language.
Why the Ozone Hole Opens Over Antarctica Each Spring
The Antarctic ozone hole forms when polar cold, chlorine chemistry, and returning sunlight combine high above the South Pole.
Why Neptune Is Still Hard to See at Opposition
Neptune reaches opposition in September 2026, but distance, dimness, and tiny apparent size still make it a telescope challenge.
How Bike Gears Make Hills Easier to Climb
Bike gears trade speed for force. Lower gears make climbing easier by changing how each pedal turn moves the wheel.
Why Static Electricity Makes Hair Stand Up and Clothes Cling
Static electricity builds when electrons shift between surfaces, making hair, clothes, paper, and doorknobs act surprisingly charged.
Why a Football Spiral Flies Straighter Than a Wobbly Pass
A tight football spiral uses spin, shape, airflow, and gravity to keep the ball pointed along a smoother path.
Why Lunar Eclipses Turn the Moon Red
Lunar eclipses turn the Moon red when Earth's atmosphere bends and filters sunlight into the planet's shadow.
Why Rain Smells Earthy After a Dry Spell
Rain smells earthy after a dry spell because raindrops lift plant oils, geosmin, and soil particles into the air.
Why Oak Trees Drop So Many Acorns Some Years
Oak trees do not produce the same acorn crop every year. Mast years reveal how weather, energy, and wildlife shape forest reproduction.
Why Corn Sweat Can Make Summer Heat Feel Worse
Corn sweat adds plant moisture to summer air, raising humidity and making heat feel heavier in parts of the Corn Belt.
Why Phone Batteries Lose Capacity Over Time
Phone batteries lose capacity as lithium-ion cells chemically age, cycle, heat up, and slowly lose usable storage.
Why Air Quality Apps Can Show Different AQI Numbers
AQI apps can disagree because they use different monitors, sensors, pollutants, averaging times, and forecast methods.
