there is a debate about the number of species of albatross. Anything from 13 to 24. If the 21 figure (the most common) is accepted then 19 of these are threatened with extinction.
I learnt a card trick that works using the power of mathematics (hence it is a bit duller than other card tricks I have learnt).
Dr House (House) was named as a homage to Sherlock Holmes (as Holmes sounds like Homes). both live at apartments number 221B. Both are also drug addicts.
I learnt a neat way of adding a textured fill using GIMP.
Scottish banknotes are technically not legal tender in Scotland. In fact in Scotland no banknotes are technically legal tender. The English banknotes are legal tender only in England and Wales. Also I learnt legal tender is a bit of a meaningless term practically.
I learnt that a decaffeinated coffee in a local bar is actually instant despite it costing more than the caffeinated coffee. In fact within 2 coffees the jar has paid for itself! So dcaffeinated drinkers are penalised twice, once for not havving the point of coffee and another in being sold inferior coffee at a higher price!