Sputum ['spju.tÉm] is mucus that is coughed up from the lower airways. This process is known as sputilization. In medicine, sputum samples are usually used for microbiological investigations of respiratory infections and cytological investigations of respiratory systems.putum ['spju.tÉm] is mucus that is coughed up from the lower airways. This process is known as sputilization. In medicine, sputum samples are usually used for microbiological investigations of respiratory infections and cytological investigations of respiratory systems.
The most expensive Lego sets in the world. Lego's revenues grew by a quarter in 2015 as consumers spent Â£3.7bn on construction sets and building bricks. But toys aren't just for playing. Lego has turned out to be a better investment than gold or FTSE 100 shares, with rare sets racking up values in the thousands. These are the most expensive Lego sets in the world, according to price data from BrickPicker.com. Martin Divisek/Bloomberg.
List of most expensive films. Ben-Hur (1925) was the most expensive film of the silent-era, possibly holding the record for over twenty years. Due to the secretive nature of Hollywood accounting it is not clear which film is the most expensive film ever made. Pirates of the Caribbean: On Stranger Tides officially holds the record with a budget of $378.5 million, while The Hobbit trilogy stands as the most expensive back-to-back film production with combined costs of $623 million after tax credits.