科学60秒:驯鹿的生物钟
Hints:
timepiece
the circadian clock
Current Biology
hormone melatonin
equinoxes
科学60秒:蝴蝶翅膀的秘密
【全文听写】Hints:University of Cambridge Indonesianswallowtailshimmering Nature NanotechnologyCounterfeiters and money minters constantly try to outsmart each other. But money could become much...
科学60秒:地球的兄弟Kepler 22b
Hints:Kepler 22bNASA's orbiting Kepler telescope has discovered its first planet in the habitable zone of another star. By "habitable," astronomers mean that a planet could harbor temperatures c...
美文听写:真正的富有
美文听写:真正的富有How Poor We Really Are One day a wealthy family man took his son on a trip to the country so he could have his son see how poor country people were. They stayed one day and o...
美文听写:爱你的母亲
Love Your MotherLet us take a moment of the time just to pay tribute and show appreciation to the person called MOM though some may not say it openly to their mother. There's no substitute for he...