A team from the UK National Oceanography Centre in Southampton studied mud at the bottom of the Arctic Ocean to gain an insight into conditions just before the dinosaurs became extinct.

• 来自英国南安普顿国家海洋研究中心的一个小组研究了北冰洋底部的软泥，为的是深刻了解就在恐龙绝种之前的情况。