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 propolis in a beehive, undated. Propolis is a resin that bees create which contains a mixture of bee saliva, beeswax and substances from plants. (NewsX/Bee)
Picture shows Queen Mary University of London campus, undated. A scientific survey suggesting that insects do feel pain has drawn mixed reactions from experts. (NewsX/Bee)
Picture shows Tobin Hammer, undated. He has made headlines numerous times for his remarkable research efforts but also due to his straightforwardness regarding today's most urgent environmental issues. (Steve Zylius/UC Irvine, NewsX/Bee)
Picture shows Thomas Cassar, undated. A researcher and wildlife filmmaker has said he is considering moving abroad due to the "disgraceful" destruction of nature in his native Malta. (Wildlife In Focus, NewsX/Bee)