Australia's new parliament house in the nation's capital Canberra is one of the largest buildings in the southern hemisphere. The building covers nearly 15 per cent of a 32 hectare site and boasts 4500 rooms. Its floor space is approximately 250,000 square meters.
It is energy-efficient to turn off a fluorescent light only if it will not be used again within an hour or more. This is because of the high voltage needed to turn it on, and the shortened life this high voltage causes.
An anteater sticks its tongue in and out 100 times per minute to slurp up its food.
An ostrich's eye is bigger that its brain.
A single large tree can release up to 400 gallons of water into the atmosphere each day.
A diamond is the hardest natural substance.
More than 20 million meteroids enter Earths atmosphere every day. Most are no bigger than a speck of dust.
If all major forms of cardiovascular disease were eliminated, human life expectance would increase by 9.78 years.
The average ocean floor is 12,000 feet.
The Brazilian "railroad worm" has a head that glows with a red light, and has a green light on its side.