科学家做出发现的年龄在增大，在三十岁之前做出发现的可能性在下降。
Scientists are typically getting older and the probability of making a discovery before age 30 has gone way down.
雄性塔比羚羊也会做出发现危险的样子，追赶幼仔，让它们与母亲和其他雌性待在一起。
Male topi will also chase topi calves in a fake show of anger, to get their mothers and other females to stay close by.
雄性塔比羚羊也会做出发现危险的样子，追赶幼仔，让它们与母亲和其他雌性待在一起。
Male topi will also chase topi calves in a fake show of anger, to get their mothers and other females to stay close by.
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