The new US study of zebrafish has identified a key cellular pathway that appears to trigger regeneration by switching on certain genes.

美国对斑马鱼的最新研究确认，再生的关键细胞途径似乎是通过开关某种基因而激活再生。

youdao

Before the ink could even dry on that study, astronomers have come in with another key piece of evidence to support the theory - and it comes from nearly 400 trillion miles away.

就当这一研究墨迹未干，天文学家又发现了支持上述理论的另一项重要证据——这一次证据来自接近400万亿英里之外。

youdao

Going to bed early is key to getting enough sleep and helping adolescents feel on top of the world, a new study reported.

一项最新研究报告称，早睡不仅是得到充足睡眠的关键，而且有助于改善青少年的情绪。

youdao

Steven Nissen, the chairman of cardiology at the Cleveland Clinic and head of the American College of Cardiology, will present one key study that will use ultrasound probes to measure the effect of torcetrapib on plaque in the coronary arteries at the ACC meeting in New Orleans next March.

FORBES: Magazine Article

The study subjects also saw their cholesterol levels - another key heart risk indicator - more than halved on average.

BBC: Smoking: The sex divide

Key to the panel's decision: The study didn't prove that the patients on Arimidex survived longer.

FORBES: Searching For An Heir To Tamoxifen