Maternal deaths rise by around 11% in countries that rely on US aid following a switch from a Democratic to a Republican administration, suggest the findings of a data analysis published in the open access journal BMJ Global Health. This is equivalent to around 45 additional deaths for every 100,000 live births, eroding a fifth of the decline in global maternal deaths that has been achieved since 1985, conclude the researchers.

A new study finds overconfident CEOs are less likely to delegate responsibilities to underlings, particularly in settings that involve complex transactions – such as hammering out the details of high-stakes deals.