Ageing satellites put crucial sea-ice climate record at risk
Alex covers Earth and planetary sciences, with a little dabbling in astronomy. She studied geology at the Massachusetts Institute of Technology and science communication at the University of California, Santa Cruz. Among other places she has worked as a journalist for Science News and the Dallas Morning News; she also ran Nature's US news operations from Washington DC between 2005 and 2010. Alex rejoined the journal in 2013.
Scientists scramble to avert disruption to data set that has tracked polar ice since the late 1970s.