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Researchers at Newcastle University have taken a step forward in our understanding of how the fundamental building blocks of life are put together. In a paper published in Nature, the team led by Professor Nigel Robinson have revealed a mechanism that ensures the right metal goes to the right protein. Proteins are essential and involved in just about every process in living cells. Life, microbe, plant or human, is a painstaking assembly of trillions of atoms.

An enigma -- unique to flowering plants -- has been solved by researchers from the UK and South Korea. Scientists already knew that flowering plants require not one, but two sperm cells for successful fertilisation. The mystery of this 'double fertilization' process was how each single pollen grain could produce 'twin' sperm cells.