22-12-31 Monarchs rarely give up their thrones willingly, and these monarch butterflies are no exception. Theyre currently endangered after a big drop in their migratory population. Scientists believe climate change, pesticides and illegal logging are threat...

15-04-30 Recombination, or crossing-over, occurs when sperm and egg cells are formed and segments of each chromosome pair are interchanged. This process plays an crucial role in the maintenance of genetic variation. Matthew Webster and Andreas Wallberg at th...

12-04-06 The likely culprit in sharp worldwide declines in honeybee colonies since 2006 is imidacloprid（吡虫啉） , one of the most widely used pesticides, according to a new study from Harvard School of Public Health (HSPH). The authors, led by Alex Lu, ass...

11-10-03 Leptothorax acervorum ants live all over the Northern hemisphere, but their reproductive strategy depends on habitat. Colonies are polygynous（一夫多妻的） (more than one queen) in the forest of Siberia and central Europe, but functionally monogynou...

11-06-19 A University of Exeter biologist has discovered a 'lost' species of bat breeding on the Isles of Scilly (UK). A pregnant female brown long-eared bat is the first of its species to be found on the islands for at least 40 years. It was discovered by D...