"Many factors contributed to the decline", said Patrick McIntyre, an ecologist who was the lead author of the study.

该研究的领头作者、生态学家帕特里克·麦克伦泰尔表示：“许多因素导致了这种下降。”

youdao

The author believes the researchers' new study has gone a step further regarding the impact of screen time on well-being.

作者认为，在屏幕时间对健康的影响方面，研究人员的新研究又向前迈进了一步。

youdao

"It's well established that the mother's language does have an impact," said Nadya Pancsofar, the lead author of the study.

研究报告的主要撰写人纳迪亚·潘索法说：“母亲的语言的确会对孩子的成长产生影响，这一点已得到充分证实。”

youdao

Nora Volkow is director of the National Institute on Drug Abuse and the lead author of the study.

VOA: special.2009.09.16

Doctor David Wilber at Loyola University Medical Center in Illinois was the lead author of the study.

VOA: special.2010.02.17

Brian Primack at the University of Pittsburgh medical school was the lead author of the new study.

VOA: special.2009.02.11

"Plasmodium is not a simple organism like a bacterium or virus, " says Dr Mohammed Shahabuddin, at the US National Institute of Allergy and Infectious Diseases and a co-author on the study published in the journal Science.

BBC: Infected flies boost malaria hope

As David Rubin of the University of California, Berkeley, lead author on the study, told the AAS meeting, "for a sense of brightness, this supernova is about as bright as a firefly viewed from 3, 000 miles away".

BBC: Supernova 'Mingus' could shed light on dark energy

But it's not clear if the performance lapses seen in the study would be meaningful in real-world operating rooms, says surgeon Emily Boyle, the lead author of the study and a researcher at the Royal College of Surgeons, in Dublin, Ireland.

CNN: Surgeons' 'bottle-to-scalpel' time affects errors