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.
In the late 1960s, researchers discovered that shark eyes have duplex retinas, or retinas containing both rod and cone cells. Rods enable the shark to see light and darkness, while cones allow for the detection of color (though scientists are still unsure how sharks interpret colors).