That is until about two days after an ant's passing, Ed discovered, when the corpse appears to emit a chemical signal that changes the living ants' behavior dramatically.

直到两天后一只蚂蚁经过，艾德·威尔逊发现，尸体似乎放出了一种化学信号，戏剧性地改变了（其他）活蚂蚁的行为。

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Addressing the individual in a group setting sends a clear signal to everyone about what behavior is and is not tolerated.

在团队中对这个人的处理就是对所有人传递的一个明确信号：何种行为是允许的，何种行为是不能容忍的。

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The girls’ willingness to minimize Mr. Brown’s alleged behavior also reflects a learned social signal, said Professor Morgan, who teaches African-American studies at Harvard.

在哈佛大学教授美国黑人研究的摩根博士认为，女孩们倾向于把克里斯的行为大事化小，也是后天习得的一种社会化的表现；

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On the other hand, be alert for eating patterns and beliefs that may signal unhealthy behavior, as well as peer pressure that may trigger eating disorders.

CNN: Eating disorders

How can you signal this behavior yourself?

FORBES: Body Language Quick Takes #2: How to Spot Someone Closing Down

Electrodes attached to the brain of a host "encoder" rat in Brazil processed the motor-oriented mental activity for a desired behavior, such as pressing a lever on cue, and converted it into a signal that was then received by a "decoder" rat as far away as Duke's US campus.

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