Heptathlon consisting of the same events as the men's competition in a slightly different order, and the IAAF has begun keeping records for it, but the heptathlon remains the championship-level combined event for women. Nafissatou Thiam, representing Belgium, is the 2016 Olympic Gold Medallist and the 2017 World Champion. There is also a Tetradecathlon, which is a double heptathlon, consisting of 14 events, seven events per day. The heptathlon scoring system was devised by Dr Karl Ulbrich, a Viennese mathematician. The formulae are constructed so that, for each event, a designated "standard" performance (for example, approximately 1.82 m for the high
How It's Made season, which started airing in September 2008, reinstated Moore as the narrator and reverted to a previous title sequence and soundtrack. In June 2008, the Science Channel added "How It's Made: Remix," which consists of previous segments arranged into theme installments like "Food", "Sporting Goods", and such. In 2013, the Science Channel added "How It's Made: Dream Cars", which focused exclusively on high-performance and exotic cars. These were later shown on the Velocity channel. Canadian hosts have included Mark Tewksbury (season 1, 2001), Lynn Herzeg (seasons 2–4, 2002–2004), June Wallack (season 5, 2005) and Lynne Adams (season 6 onwards, 2006–present).