Dr Dominique Zimmermann poses in undated photo. She was part of a group of researchers who investigated the fauna at the Sandberge Oberweiden conservation area in Lower Austria's Marchfeld region. (Minitta Kandlbauer, NewsX/Bee)
Picture shows tree nest and hive together, undated. Derek Mitchell from Leeds University investigated the clustering habit of the pollinators to find that it could be a distress action rather than a reaction to decreasing temperatures. (D. Mitchell, NewsX/Bee)
Scientist Regrets Wintertime Clustering Misconception
Mauricio Gramuglia poses in undated photo. In 1996 he decided to leave the National University of Central Buenos Aires in the city of Tandil and delve into beekeeping instead. (NewsX/Bee)