Zuker and his colleagues posed a natural evolutionary question: Why would mammals have developed such an excellent carbon dioxide detector?

朱克和他的同事提出了一个自然演进的问题：为什么哺乳动物会衍变出这么优秀的二氧化碳探察功能呢？

youdao

The researchers, led by longtime taste researcher Charles Zuker, now at Columbia University Medical Center, conducted the study using mice that had been genetically altered to lack sour-sensing cells.

由长期从事味觉研究的研究员查尔斯·扎克带领的研究人员们，目前在哥伦比亚大学的医疗中心，对一些因基因变异丧失酸感应细胞的白鼠进行研究。

youdao

CNN's Roger Clark, Per Nyberg, Jonathan Wald, Richard Allen Greene, Laura Perez Maestro, Paula Newton, Devon Sayers, Natasha Maguder, Kim Norgaard, Nana Karikari-apau, Karen Zuker, Kay Jones, Maria Ebrahimji, Catherine E.

CNN: SHARE THIS

CNN's Roger Clark, Per Nyberg, Jonathan Wald, Richard Allen Greene, Laura Perez Maestro, Paula Newton, Devon Sayers, Natasha Maguder, Kim Norgaard, Nana Karikari-apau, Karen Zuker, Kay Jones, Maria Ebrahimji, and journalist Peter Taggart contributed to this report.

CNN: Thatcher: Tributes paid to 'great leader, great Briton'