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• A01: Harlow’s Rhesus monkeys (1958). Harlow reared infant monkeys in isolation away from their mothers, causing privation, and put them in cages with two surrogate mothers. One was wire and a bottle...

Platelets come into contact with an area of an artery wall which has become damaged, changing their shape from flattened disks to long thin projections. The platelets stick together, forming a temporary p...

One of the most important 'step-ups' from GCSE History is how you structure your essays. Here we will focus on the introduction. An essay’s introduction is one of the most important parts of your work, ev...

This is often confusing because in everyday life people might say "how much do you weigh?" to which you might say "60kg", 60 kg is actually your mass and when we talk about weig...

Carbohydrates, as the word says, are made up of Carbon, Oxygen and Hydrogen. They are commonly known as suggarsand are present in different forms in some kind of foods.  We can divide them in different gr...