Why are amurffs blue?
373187
Smurfs aren't blue. They're green. You need to adjust the color on your television. ;)
983726
They must have escaped from someone - they are not native to America.  They may have been adopted by the starlings, so they will probably survive. They don't usually live in such cold climates though. Help them by feeding them through your bird feeder.  Just out of curiosity what colour are they???
617565
The water particles,mixed in the air ( sky ), are responsible for this.The sunlight is refracted by those water molecules and thus we see the colour of the sky as blue.As you may remember,in the rainbow colours,Blue comes just after Violet and Indigo which are not that prominent as Blue. \nThus we see the sky blue.
1183904
because their molecules are not tight enough to reflect any light back.. thats what color is..\n\nthe denser the molecules.. the more light they can reflect, or absorb... smoke for example..
646815
it's not actually, if you look at the ocean, from the top it is blue becaues it is reflecting the light from the sky.   if you are underwater, it looks blue because the blue light is dispersed the least, meaning that the blue light penetrates farther into the water than the other colors of light.
269847
That must be another cephalopod, an ammonite. There's an amazing diversity of these fossil mollusks, with many genera and species. \nPictures:\nhttp://home.tele2.fr/hildoceras/Amaltheus_causses.jpg\nhttp://www.mnhn.fr/expo/agesterre/ammonites.jpg\n\nBut ammonites are grey only because they're fossil (i.e. made of stone), I don't think ammonites were that color while they lived.
258504
Blue is a female.Go figure.
680108
There are two reasons. Both are caused by a property of light -- it is made up of different wavelengths.\n\n(1) When light passes through our atmosphere, it diffracts & blue wavelength gets scattered towards earth. This is why the sky is blue. When viewed from the beach, the sea is also blue because it reflects the sky, of course.\n\n(2) Another reason is not by diffraction, rather, light under the sea is blue because water absorbs longer wavelength of light through distances over about 20 metres.
339375
There are many reasons, it may be how the light is hitting the sea, the color of the sand, pollution or lack thereof, coral reefs, currents, and many other reasons.  Here is a great link about why water appears blue.  This may help answer your question.
300120
mine are a light colored blue, they are like a mood ring.. change colors depending on my mood..\nif im mad they get really dark\nif im really happy they turn green.\njust depends on what mood im in kinda wierd.
156081
They're emotionally and psychologically messed up kids that believe they are having  'visions' ,seeing 'ghosts' ,have 'psychic abilities' and can 'see' people's 'auras'.. Indigo is the color of the aura's of people that are 'psychic'\n \nPeople on the fringes of scientific research and New Age proponents are saying these kids are genetically more evolved than other humans and have a more intense connection to the spirit realm and are 'healing the world'.. \n\nI think these children are being USED and ABUSED by these 'professional' frauds.. \n\nIf you want to see how ridiculous this stuff is look at this website www.indigoevolution.com
765570
Blue roses traditionally signify mystery or attaining the impossible. They are believed to be able to grant the owner youth or grant wishes. This symbolism derives from the rose's meaning in the language of flowers common in Victorian times.\n\nIn Slavic mythology one may be granted wishes by bringing a blue rose to Baba Yaga.\n\n--\nSince roses lack a gene to produce delphinidin, the primary plant pigment that produces true blue flowers, blue roses were traditionally created by dyeing white roses. So-called "blue roses" have been bred by conventional hybridization methods, but the results, such as "Blue Moon" are more accurately described as lilac in color. However, after 13 years of joint research by an Australian company Florigene, and Japanese company Suntory, a blue rose was created in 2004 using genetic engineering. The delphinidin gene was cloned from the petunia and inserted into a mauve-blend rose, the Old Garden Rose 'Cardinal de Richelieu.' (a Rosa gallica) However, since the pigment cyanidin was still present, the rose was more dark burgundy than true blue. Further work on the rose using RNAi technology to depreses the production of cyanidin produced a very dark mauve plant, with only trace amounts of cyanidin.
263149
THeir fur is actually colorless, it absorbs light to heat their bodies.  It works so well, that they frequently have to swim in freezing waters to cool down or roll around in the snow.  They aren't very active either becasue then they would overheat.
24151
Everyone else is wrong. This has nothing to do with water. The sky is blue because as the light waves pass trhough the air they collide with molecules, effectively scattering the blue wavelenghts of light. This is demonstated by the fact that the sky at lower angles appears more blue, because there is more air that the light must travel through.
782689
Click this link for Detail Answer..\n\n\nhttp://www.squidoo.com/sky_blue/
727102
Perhaps because they use the color to attract females.  Or, since females are more essential to reproduction, it is beneficial for the females to blend in with the environment to avoid predators.
452940
white a bit of blue as well