Google: It maths good.

[Mave]

http://www.google.be/search?hl=en&client=firefox-a&hs=2VC&pwst=1&rls=Palemoon:en-US:unofficial&nfpr=1&sa=X&ei=c_JpTP6_GoK88gaZgOmyBA&ved=0CBYQBSgA&q=0+degrees+celsius+%2B+0+degrees+celsius&spell=1

 

[Panki]

Maybe because -273°C is absolute zero? I'm confus

 

[Maffia171]

I think that has something to do with Kelvin but idk D:

 

[Impulse]

It's a bug I think.
If it were to be 273.15 Kelvin it would be correct