Goldfish and the Nitrogen cycle

My son asked me earlier this year if he could have a goldfish. Sometime later he changed his mind and asked for a dog so we went out to buy a goldfish. Knowing nothing about goldfish we went to go buy one. The subsequent learning experience has had great relevance to my classroom. how-to-look-after-a-goldfish Things I learnt 1. It is important to set up the aquarium and deposit food etc well in advance of the fish, anything from 7 days to two ...

The hidden oil spill tragedy

As many as 546 million gallons of oil spilled into the Niger Delta over the last five decades, or nearly 11 million gallons a year, experts said. Imagine BP's Deepwater Horizon Gulf oil disaster happening every single year, with little or no public outcry, no media coverage, and all but silence from government and the companies involved. Welcome to Nigeria. a7xumdcz_vw& Over the last 50 years, foreign oil companies have spilled over 1.5 million tons of oil here, but there have been no ...

Factory farming

Whilst driving home last night I found myself listening to a radio programme on CBC radio one (Canada). Have Your Meat And Eat It Too!   The show is the first of three that discusses factory farming and issues relating to Hog farming, Cattle farming, Chicken farming etc. They discuss such issues as manure and how pigs, pound for pound, produce four times more waste than humans and the environmental consequences of attempting to appropriately dispose of manure when running a farm of ...