Bonds between and within water molecules? How do the bonds within a water molecule (between the hydrogen and oxygen) differ from the bonds between water molecules which also occur between hydrogens and oxygens?
Blue-eyed black lemur. Winner of best eyes is the blue-eyed black lemur. It's a tiny bit of a misnomer because only the males are black; the females are a reddish-brown color. Both colors help their striking blue eyes stand out.
Hazel eyes are due to a combination of Rayleigh scattering and a moderate amount of melanin in the iris' anterior border layer. Hazel eyes often appear to shift in color from a brown to a green. Although hazel mostly consists of brown and green, the dominant color in the eye can either be brown/gold or green.