• Brighton is the UK town that had 16 urban foxes per square kilometre in 2013-2015 (7 January, p 6).
• Giving a woman a steroid before 9 weeks of pregnancy can alleviate some of the symptoms of congenital adrenal hyperplasia, such as genital ambiguity (7 January, p 8).
• Periodic error: Russian scientist Dmitri Mendeleev produced his table of the elements in 1869 (Quiz, 17/24/31 December 2016).
• Flippin' 'eck: the north and south poles of Earth's magnetic field swap places every few hundred thousand years (14 July 2012, p 14).
Advertisement
