Climate Compass on MSN

Why The Ocean Appears Blue - Described By Marine Scientists

Water Selectively Absorbs Light Wavelengths The ocean is blue because water absorbs colors in the red part of the light ...

What a blue USB port really means - and the surprising truth about all the colors

Blue: Supporting USB 3.0 SuperSpeed technology and above, blue ports identify a device capable of fast data transfer: up to 5 Gbps (that's 5,000 Mbps) -- a significant jump from previous generations.