Ants store food, repel attackers and use chemical signals to contact one another in case of attack.

蚂蚁储存食物，击退攻击者，并使用化学信号联系彼此以防被攻击。

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African army ants, whiich attack prey in a herd effort and chomp down on any potential threats.

非洲军团蚂蚁，它们以蚁群战术攻击和啮咬任何潜在的威胁。

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Red fire ants are very aggressive and readily attack anything that disturb them.

红火蚁攻击性强，容易攻击任何干扰它们的生物。

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Illinois-based company Renew Power has said it has already come up with a fuel cell compatible with mobile phones, by using formic acid, the chemical sprayed by black ants on the attack.

CNN: Search for better phone power