Ocean upwelling brings cold, nutrient-rich water toward sunlight, feeding plankton, fish, seabirds, and productive coastal ecosystems.
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 Environmental DNA Helps Find Invasive Species Early
Environmental DNA lets scientists test water, soil, or air for traces of species that may be hard to see directly.
How Plants Use Day Length to Decide When to Flower
Many plants flower only after measuring seasonal day length and uninterrupted darkness, making timing part of plant survival.
Why the 2026 Perseid Meteor Shower Has Better Viewing Odds
The 2026 Perseids peak under a new moon, giving skywatchers a darker chance to see one of the year’s strongest meteor showers.
Why Beach Sand Gets So Much Hotter Than the Water
Hot beach sand and cooler water reveal how specific heat, mixing, moisture, and surface temperature shape everyday heat.
How the Madden-Julian Oscillation Shifts Hurricane Chances
The Madden-Julian Oscillation is a moving pulse of tropical storms, clouds, and winds that can raise or lower hurricane chances for weeks at a time.
Why Saturn’s Rings Look So Thin in 2026
Saturn's rings look unusually thin in 2026 because Earth is seeing the ring plane from a shallow angle after an edge-on crossing.
Why Scientists Watch the Atlantic Overturning Circulation
The AMOC moves warm surface water north and cold deep water south, so changes in its strength can reshape climate far beyond the Atlantic.
How Microbursts Turn Thunderstorms Into Sudden Wind Events
Microbursts are compact thunderstorm downdrafts that hit the ground and spread damaging straight-line winds in minutes.
How Solid-State Batteries Could Change Electric Cars
Solid-state batteries replace liquid electrolytes with solid materials, promising better EV range, safety, and charging if manufacturing can scale.
How Rubin Observatory Will Turn the Night Sky Into a Movie
Rubin Observatory’s 10-year sky survey will revisit the southern sky again and again to reveal asteroids, supernovae, galaxies, and cosmic change.
Why Fans Cool People Better Than Empty Rooms
Fans do not lower room temperature much, but moving air helps people shed heat through convection and sweat evaporation.
Why Road Signs Glow Brightly in Headlights
Road signs glow at night because retroreflective materials send headlight beams back toward the driver instead of scattering them away.
Why Charcoal Grills Need Airflow to Stay Hot
Charcoal grills get hotter when oxygen, convection, and vents work together, turning glowing coals into steady cooking heat.
Why Mosquitoes Surge After Rain, Floods, and Drought
Mosquitoes can surge after rain, floods, and even drought because their eggs and larvae depend on where water collects and how long it stays.
