Why Do Leaves Change Colour in Autumn? The Science Explained
Leaves change colour when trees stop making green chlorophyll, revealing yellow pigments and creating new reds. Here is the science of autumn colour.
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Hurricane vs Tornado: What’s the Difference and Which Is More Dangerous?
Hurricanes are huge ocean storms lasting days; tornadoes are small, violent and brief. Here is how they differ and how to stay safe in each.
