Science’s good, bad, ugly year
Ebola, gravitational waves, ancient DNA and more top Science Stories of 2014

GOOD OR BAD The BICEP2 telescope (foreground) may or may not have snared signals of gravitational waves, making it one of a handful of stories in the top 25 science stories of 2014 that had some hiccups this year.
STEFFEN RICHTER/HARVARD UNIV.