And then, upon this thoroughly baseless assumption, the critic proceeds to read all of us a lecture upon our sacrilegious symbolatry, and the dreadful abyss into which we are hurrying with fatal velocity.

First, their feathers grow continuously over their bodies without the bare spaces (apteria) between tracts most other birds have. This condition is shared only by the ostrich, the penguins, and the colies.

One yottajoule is 1,000,000,000,000,000,000,000,000 joules or one trillion trillion joules. When we talk about dieting we talk about kilojoules, which is one thousand joules.

My colleague in the US, Heather Hopkins recently covered the blaze of publicity around Oprah Winfrey starting to tweet and its immediate impact on Twitter’s US share of visits. In Australia the influences seem to be broader than America’s new 'tweetheart’.