2015 Event The death toll rises to 104 from a massive explosion three days ago at a warehouse containing hazardous chemicals in the port of Tianjin, China; 720 were also injured in the disaster 2013 Event Austrian researchers successfully grew 'cerebral organoids' or mini-brains, containing several distinct regions of the brain; the mini-brains will help scientists understand how brains develop, and what causes schizophrenia and autism 2013 Event Owen Paterson, UK Secretary of State for Environment, Food and Rural Affairs, convenes with British retailers and the Food Standards Agency to determine how "beef" products containing horsemeat were sold in supermarkets 2011 Event China places new controls on text messages sent on mobile phones containing references to democracy, human rights and corruption 2010 Event In Heuneburg, Germany, scientists discover a late Bronze Age grave of a Celtic princess, containing amber, gold, bronze and coal 2004 Event Clinton Library opens in Little Rock Arkansas, containing 2 million photographs and 80 million documents 1849 Event M Jolly-Bellin discovers dry-cleaning, he accidentally upset lamp containing turpentine and oil on his clothing and sees cleaning effect 1814 Event British forces destroy Library of Congress, containing 3,000 books