Researchers at Yale University in the US found an increase in spontaneous deliveries on Valentine's Day - at 3.6 per cent higher than average.
美国耶鲁大学的研究者发现在情人节那天自然分娩的孕妇在慢慢地增多——平均高3.6%。
US police are investigating a laboratory technician over the murder of the Yale University graduate student Annie Le, whose body was found inside a wall on Sunday.
美国警方近日正在对耶鲁研究生安妮·黎被杀案对实验室技术员展开调查。
A study from Yale University in the US found that a woman's grey matter grows in the weeks and months after she gives birth.
美国耶鲁大学研究发现,女人在生产后几周或几个月里,大脑灰质增多了。
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