Which food produces the smelliest farts?

At last ..... a scientific study about what we all wanted to know:

The Truth about Dinosaurs and Birds

Speciation in Salamanders

Evolution occurs over timescales of millions of years, but there is evidence that it is occuring now (its just difficult to spot). Take a look at this excellent video clip where differences in the phenotypes of one species of Californian salamander are used to show they are undergoing speciation (in the process of becoming new species).

Syllabuses (Syllabi?)

Download a pdf version of the syllabus relevant to your course using the following links (the year refers to the year when you will be sitting your exam):

Coordinated Science Syllabus 2009

IB Biology Guide 2009

Chemistry Syllabus 2009

Organelles

Please watch this video presentation and make your own notes about each of the organelles it covers: