Engineering
All About Buoys: Types, Colours, Uses and How They Work
Buoys do far more than float. Learn how navigation, weather, drifting, mooring and tsunami buoys work, what their colours mean, and why they matter at sea.
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Computing
Why Does AI Use So Much Electricity and Water?
AI answers seem weightless, but the computing happens in physical data centres. Learn why powerful chips need electricity and cooling, where water enters the system and why there is no universal footprint for one prompt.
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Science
Is a “Super El Niño” Developing in 2026–27? What Forecasts Actually Say
El Niño is strengthening, and official forecasts now favor a very strong peak near the end of 2026. Here is what “super” means, what the latest probabilities show and why local impacts are not guaranteed.
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Devices
Why Do Smartphones Overheat?
Learn where phone heat comes from, what thermal throttling does, how to cool an overheated smartphone safely and which battery signs need repair.
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Science
How Do Forests Store Carbon—and What Happens When They Are Lost?
Forest carbon moves through living trees, dead wood, soil and people’s decisions. Learn why carbon stocks, sequestration and tree planting are not the same.
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Science
Why Are Glaciers and Ice Sheets Melting?
Glaciers gain snow and lose ice every year. Learn why warming is shifting that balance and what the change means for water, hazards and sea level.
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Science
What Causes Sea-Level Rise and What Does It Mean for Coasts?
Warmer water expands and melting land ice adds water to the ocean. Learn why local land movement matters and how coastal communities can respond.
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Science
How Does Climate Change Affect Extreme Weather?
Climate change loads the weather dice, but it is not the only cause of a disaster. Learn where the evidence is strongest and how attribution works.
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Science
Why Are Oceans Getting Warmer and Why Does It Matter?
The ocean stores most of Earth’s excess heat. Learn how scientists measure that change and why it matters for ecosystems, coasts, weather and food.
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Science
How Do El Niño and La Niña Change Weather Around the World?
El Niño and La Niña begin in the tropical Pacific but can shift rainfall, heat, storms, fisheries and harvests worldwide. Learn how the coupled cycle works.
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