Blood at a crime scene that contained a Y chromosome led to a rare discovery Shutterstock/PeopleImages The forensic examination of a murder victim has revealed that she had chimerism – meaning her body contained cells that were genetically distinct, as if they came from two different individuals.  In this case, the unidentified woman had varying proportions of male…

The National Center for Atmospheric Research in Boulder, Colorado Matthew Jonas/MediaNews Group/Boulder Daily Camera via Getty Images The Trump administration’s decision to close a world-leading research centre for atmospheric science is a blow to weather forecasting and climate modelling that could leave humanity more exposed to the impacts of global warming. In a statement to…