LONDON (Reuters) – British insurer Legal & General has formed a 50:50 partnership with U.S. developer Ancora to invest in U.S. life sciences and technology real estate in the first U.S. investment by its alternative assets arm, the insurer said on Wednesday. Legal & General will invest an initial $500 million through the new company Ancora L&G, with plans to bring investment up to $4 billion over the next five years, it said in a statement. The COVID-19 pandemic has spurred interest in real estate in life sciences, which spans sectors such as biomedical devices and pharmaceuticals. More recent…