evidence: What Charles Lieber’s conviction means for science [...] Next week will mark two years since Harvard University chemist and nanotechnology pioneer Charles Lieber was arrested on allegations of lying to US federal authorities about his financial ties to China. Last month, a jury convicted him of making false statements, as well as related tax offences. Researchers say that the high-profile US criminal case is already having an impact on the scientific community. It marks the second time an academic researcher has been tried on accusations of hiding ties to China since the US Department of Justice (DOJ) launched its controversial ‘China Initiative’ to root out threats to national security. [...] Harvard chemist on trial: a guide to the Charles Lieber case