What is the chemical symbol for water?
Interesting Fact
Water covers about 71% of the Earth's surface, mostly in oceans and seas.
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Interesting Facts
A day on Venus is longer than its year. Venus takes 243 Earth days to complete one rotation on its axis but only 225 Earth days to complete one orbit around the Sun. This means that on Venus, a day lasts longer than a year.
Astronomy
The Eiffel Tower can be 15 cm taller during the summer. This is due to thermal expansion, meaning the iron structure expands when the temperature rises. Conversely, it contracts in the winter, making it slightly shorter.
Science
Mount Everest, the highest mountain on Earth, grows about 4 millimeters each year due to the constant movement of tectonic plates. This growth is a result of the Indian plate pushing northwards into the Eurasian plate.
Geography
Humans share about 60% of their DNA with bananas. Despite the vast differences between humans and bananas, this shared genetic material highlights the common ancestry of all living organisms and the fundamental building blocks of life.
Biology
Sharks have been around for about 400 million years, while the earliest trees appeared around 350 million years ago. This means that sharks are older than trees and have survived five mass extinction events.
Animals