What was thought to be a 280-million-year-old fossil of one of the oldest reptiles is mainly a fake. Plus, young apes like to annoy their elders for fun and how the ‘lab of last resort’ helped to solve a serial-killer case. What was thought to be a 280-million-year-old fossil of one of the oldest reptiles is mainly a fake. Plus, young apes like to annoy their elders for fun and how the ‘lab of last resort’ helped to solve a serial-killer case.