Leticia Carvalho heads a global authority that's been struggling to set rules for a decade. President Trump's aggressive push on ocean mining makes her task more urgent.
Republican-led states had accused financial firms of colluding against coal producers. Vanguard also agreed not to push for action to fight climate change.
Dr. Jay Bhattacharya, who was appointed to the role last week, has offered to publicly endorse vaccination, in particular the measles vaccine, winning over some agency employees.
Most people alive today carry fragments of Neanderthal DNA in their genome. Now scientists are gaining a more intimate understanding of the ancient encounters that put it there.