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p53: Guardian of the Genome

The tumour-suppressing protein called p53, also known as the guardian of the genome, protects our cells from cellular damage. Under cellular stress, p53 jumps into action, regulating gene expression to control DNA repair, cell division and cell death. But, p53 malfunction is associated with a va…

Searching for supernovas

Supernovae are one of the most dramatic events in the cosmos. As a star dies, in the right conditions, it can trigger the biggest explosions ever observed in the Universe and along with it a treasure trove of data. But it is hard to predict where the next boom might come from. The last supernova t…

Why water skitters off sizzling surfaces – and how to stop it

Water droplets on very hot surfaces bounce and skitter around on a thin cushion of water vapour. This phenomenon is known as the Leidenfrost Effect and it's something that engineers often want to avoid as it makes water-based cooling systems less efficient. Now, researchers in Hong Kong have put f…