Derechos are long-lived thunderstorm windstorms. Learn how they form, why they move so fast, and why their damage can stretch for hundreds of miles.
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
Why Hot Weather Makes Airplanes Need More Runway
Hot weather makes air thinner, which reduces lift, thrust, and climb performance. That is why aircraft may need more runway in summer.
How Fireworks Get Their Colors
Firework colors come from heated elements, excited electrons, and carefully balanced chemistry inside each bright burst.
How Ocean Currents Move Heat Around the Planet
Ocean currents carry heat, salt, and water across the globe, shaping climate, storms, marine life, and coastal weather patterns.
Why Solar Storms Can Make Auroras Visible Farther South
Solar storms can push auroras far beyond the polar regions. Learn how the Sun, magnetic fields, and atmosphere create the northern lights.
Why Hurricanes Can Strengthen So Quickly
Rapid intensification can turn a tropical storm into a much stronger hurricane in a day. Learn what fuels it and why it is hard to forecast.
Why Rare Earth Elements Make Modern Technology Work
Rare earth elements power strong magnets, screens, motors, and clean-energy technology, but their supply chains are surprisingly complex.
Why Heat Domes Make Summer Weather Get Stuck
Heat domes form when high pressure traps hot air, blocks clouds, and lets heat build for days across the same region.
Why Coral Bleaching Turns Reefs White
Coral bleaching happens when heat stress breaks the partnership between corals and algae, turning reefs pale and putting them at risk.
Why Blue-Green Algae Blooms Spread in Summer Lakes
Learn why blue-green algae blooms spread in warm lakes, what warning signs to notice, and how nutrients, weather, and safety advisories fit together.
Why Mosquitoes Bite Some People More Than Others
Mosquitoes use carbon dioxide, skin odor, heat, and moisture to find people. Learn why some people seem to attract more bites.
How Sunscreen SPF and Broad Spectrum Labels Really Work
SPF is not a timer. Learn what sunscreen labels really mean, including broad spectrum, UVA, UVB, and water resistance.
Why Swimming Pools Sometimes Smell Like Chlorine
That sharp pool smell usually comes from chloramines, not clean chlorine. Learn how pool chemistry changes when swimmers enter the water.
How Ticks Find People and Why Tick Season Starts Early
Ticks use heat, scent, and patience to find hosts. Learn why warm, humid weather can lengthen tick season and raise bite risk.
How Wildfire Smoke Travels Far From the Fire
Wildfire smoke can cross states and countries. Learn how plumes rise, winds carry particles, and weather decides where smoke settles.
