'An alignment of the stars' Researchers have long been looking for ways to help HIV-infected individuals produce more broadly neutralizing antibodies (Bnabs) — antibodies which are known to combat multiple forms of virus. A new study has found that cows may provide answers for scientists who have been seeking to better understand how Bnabs can be harnessed. In terms of their makeup, broadly neutralizing antibodies are notable because they’re big and kind of unruly as far as proteins go.