Autism research funded by a new US initiative includes study of environmental exposures during pregnancy. Credit: Diana Bagnoli/GettyScientists moved a step closer to understanding the complex causes of autism this week. Although all of the headlines went to US President Donald Trump’s poorly evidenced statements that the painkiller acetaminophen is linked to the neurodevelopmental condition, his White House autism event brought welcome — and largely overlooked — news to scientists: the US Natio...