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This week on Science Weekly, Claudia Hammond talks to Ian Sample about how we perceive the passage of time, the subject of her new book Time Warped: Unlocking the Mysteries of Time Perception. From body temperature to attention deficit hyperactivity disorder (ADHD), Claudia reveals how our calculation of time can be affected by a range of physical and mental conditions.
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Ancient inscriptions on the walls of a looted house in the Guatemalan jungle are the oldest astronomical charts known from the Mayan civilisation. Explorers chanced upon the writings while excavating a room buried under a collapsed building that was overgrown with rainforest vegetation in Xultún in the north-eastern region of Petén.
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The Maya civilization (AD 300-900) was one of the most sophisticated in the pre-Columbian Americas. It extended from southeastern Mexico across modern-day Guatemala, Belize and the western parts of Honduras and El Salvador. The Maya were never politically unified but lived in around sixty separate kingdoms, each with its own ruler. Relations between the kingdoms were complex. There was negotiation, trading and inter-marriage, as well as invasion and warfare.
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French conceptual artist Daniel Buren is the fifth artist to take over the Grand Palais in Paris. His offering is Excentrique(s), a giant kaleidoscope-style installation that fills the building's nave.
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