Did You Know?

17-09-2008

Falling raindrops are often depicted in cartoons as "teardrop-shaped" — round at the bottom and narrowing towards the top — but this is incorrect. Small raindrops are nearly spherical. Larger ones become increasingly flattened on the bottom, like hamburger buns; very large ones are shaped like parachutes

16-09-2008

Although water is a renewable resource, it is only renewable within limits; the extent to which increasing demands can be met is finite.

16-09-2008

26 Billion -- Litres of water Americans flush down their toilets every day.

16-09-2008

If all land ice melted, sea level would rise approximately 70 metres worldwide.

16-09-2008

Glacial ice often appears blue when it has become very dense. Years of compression gradually make the ice denser over time, forcing out the tiny air pockets between crystals. When glacier ice becomes extremely dense, the ice absorbs all other colours in the spectrum and reflects primarily blue, which is what we see. When glacier ice is white, that usually means that there are many tiny air bubbles still in the ice.