Evidence of alien life, a clue about the rise of colon cancer, and a new colour?

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Madeleine Finlay and Ian Sample discuss three intriguing science stories from the week. From a hint at alien life on a distant planet, to a clue in the search for answers over why colon cancer rates are rising in the under 50’s, and news from a group of scientists who claim to have experienced a colour no one has ever seen before.. Help support our independent journalism at theguardian.com/sciencepod

24 Apr English United Kingdom Science · Nature

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