Israeli companies participating in Biotech China 2014 will receive a discount from the Chinese government. Many Israeli companies are expected to attend the first major Chinese biotech exhibit and forum in Nanjing May 14-16 along with more than 15,000 life science professionals from around the world. An Israeli delegation is now being organized to join the BIO Deutschland, Swiss Biotech Association and other national groups planning to attend. Israeli companies will obtain a discount when registering with BioIsrael. Tel Aviv University researchers find way to slow down white blood cells. They found a way to put the brakes on white blood cells and prevent them from going wild and overactive, a condition that can lead to allergies and autoimmune diseases. The research has just been published online in the Nature Immunology journal and was funded by the US-Israel Binational Science Foundation, the Israel Science Foundation, the Israel Cancer Research Fund and the Fritz Thyssen Foundation. Berkshire Hathaway buys third Israeli company: Ray-Q. Deal for aerospace connectivity maker closed seven years after purchase of Iscar. U.S.-based electronic components distributor TTI is acquiring the Israeli electronics company Ray-Q Interconnect, it announced over the weekend. The financial specifics of the purchase were not disclosed. Apple confirms acquisition of Israeli 3D sensing company PrimeSense for $350 million. PrimeSense is best known for its advanced body-movement tracking technology originally used for the Xbox 360, a popular gaming device. Apple has signed a $350 million acquisition deal with the Israeli company PrimeSense, the maker of a motion-tracking chip technology. Facebook buys Israeli start-up app-maker Onavo.Facebook is paying between $150 million and $200 million, making it the social media company's biggest acquisition in Israel. The company, founded three years ago, said that once the transaction closes, Onavo's mobile utility application - which helps people cut mobile phone costs through more efficient use of data - will run as a standalone brand. Samsung planning to launch startup incubator in Israel. Korean electronics firm also announces investment in local photo imaging startup Mantis Vision. In February, Samsung announced it was launching the $100 million Samsung Catalyst Fund. Now, that fund will be investing in Israel as part of its accelerator program here. Israel, World Bank establish their first joint technology fund. WB managing director praises Israel for its tech. prowess, says she wants to see more Israeli participation in projects. Israel and the World Bank on Thursday agreed to develop their first joint technology fund, which will promote Israeli technology in developing markets.