Why?
Clear science answers to everyday questions about nature, the human body and the world around us.
Why did people in the past often carve worship statues from jackfruit wood?
Jackfruit wood is durable, easy to carve, rich in spiritual meaning and widely available in Vietnam, making it a traditional choice for worship statues.
Published: 14/10/2026
Why do bulls "go mad" at the color red?
Do bulls really hate red? Science shows they are red-green colorblind, and it is the movement of the cape that makes them charge.
Published: 22/06/2026
Why can't we hear while we're asleep?
While we sleep, the brain filters out surrounding noises, movements and smells so we don't wake up, deciding which sounds deserve our attention.
Published: 30/04/2025
Why the Lunar New Year has no '30th day of Tết' for 8 straight years from 2025
From 2025, Vietnam sees eight Lunar New Years in a row without a 30th day of Tết. Here is the astronomy behind it.
Published: 06/12/2024
Why is Hà Nội's Thê Húc Bridge painted red and facing the sun?
The Thê Húc Bridge in Hà Nội is painted red because the color symbolizes the sun, life, good fortune and happiness.
Published: 03/03/2022
Why do Pitbulls, the "king of fighting dogs," so often lose to venomous snakes?
Other dogs can often overpower venomous snakes, but Pitbulls frequently pay a heavy price in such fights. Their aggressive nature is to blame.
Published: 16/07/2021
Why is there no beef on the traditional Vietnamese Tết offering tray?
Traditional Tết offering trays feature chicken and pork but no beef. The reason lies in Vietnam's wet-rice farming civilization.
Published: 04/02/2021
Why can kites fly so high?
Have you ever tried to explain why a paper kite soars upward when you hold its string and run forward? Here's the physics behind it.
Published: 01/09/2020
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