compoundchem: For Halloween, you may well be making use of fake blood as part of your costume. Blood’s always red, right? WRONG. Here’s a look at the range of different colours of blood in different organisms, and the chemicals behind them. Larger

compoundchem: For Halloween, you may well be making use of fake blood as part of your costume. Blood’s always red, right? WRONG. Here’s a look at the range of different colours of blood in different organisms, and the chemicals behind them. Larger

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