so croce's team purposely altered a single type of microrna gene in lab mice 所以c的小組故意在一只實驗鼠的身上改變了一種微型rna基因
scientists have known for decades that male lab mice produce high-frequency sounds-when they pick up the scent of a female mouse 幾十年前科學家們就知道,當實驗室中的雄性老鼠聞到雌性老鼠的氣味時,會發(fā)出高頻率的聲音。
scientists have known for decades that male lab mice produce high-frequency sounds-undetectable by human ears-when they pick up the scent of a female mouse 幾十年前科學家們就知道,當實驗室中的雄性老鼠聞到雌性老鼠的氣味時,會發(fā)出高頻率的聲音,這種聲音人耳通常是無法察覺的。
scientists have known for decades that male lab mice produce high-frequency sounds-undetectable by human ears-when they pick up the scent of a female mouse . this high-pitched babble is for courtship, although scientists are not certain 幾十年前科學家們就知道,當實驗室中的雄性老鼠聞到雌性老鼠的氣味時,會發(fā)出高頻率的聲音,這種聲音人耳通常是無法察覺的。
researchers have discovered that a compound in red wine called resveratrol caused lab mice to live longer . not only that, the mice also experienced a reversal in genes associated with heart disease, diabetes and other weight-related maladies 研究人員在紅葡萄酒中發(fā)現了一種名叫白藜蘆醇屬于多元酚類的物質,這種物質不僅使試驗小白鼠的壽命得以延長,而且還減少了它們患心臟病糖尿病和由肥胖引發(fā)的其它疾病的幾率。