Thursday 21 March 2013

Fact Hunters: Humpback Whales, Helium and Cats

Lucy Lockhart 
Inhaling helium is dangerous because it displaces oxygen from your lungs. Your brain only has to be without oxygen for 5-6 seconds before it can suffer severe damage. Inhaling from a balloon can also lead to you swallowing part of the balloon and choking!
Kynan Omundi
Amazingly a crying baby can reach a volume of 110 decibels. This is as loud as a car horn or an orchestra! It is only 7 decibels short of the volume created inside a football stadium. No wonder it is difficult to sleep with a baby in the house!

Olivia Wheal
Did you know that people with blue eyes have a genetic condition where the ability to create brown eye pigment is switched off? This was found in a gene called OCA2 which came from a single person. They lived near the Black Sea 8,000 years ago.
Where do blue eyed people originate from? Click here to find out more







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