Some, like homing pigeons, can be trained to deliver messages and packages.

有些像信鸽一样，可以接受培训以传递消息和包裹。

That custom guide RNA molecule is like a homing beacon.

这种自定义向导RNA分子就像一个导航信标。

There is an interesting history of using homing pigeons to collect intelligence.

有一段使用信鸽收集情报的有趣历史。

For example, you could say, Police are homing in on the suspects.

例如，你可以睡，" 警察很快就要抓到嫌犯了。"

They use their incredible sense of smell like a prehistoric homing device.

它们利用异常出色的嗅觉就像是史前追踪装置。

But one dinosaur in particular uses these scent marks as a homing device.

不过有一种恐龙却把这种味道当做定位装置。

So, the next time your cellphone crashes, give a salute to your neighborhood homing pigeon.

所以，下次你的手机崩溃时，向你的邻居信鸽致敬。

One of the beautiful things about a homing pigeon, of course, is it will always come back.

当然，信鸽的好处之一是它总会回来。

That is also where we get homing pigeons -- pigeons that can find their way home after being released.

这也是我们用到信鸽的地方。信鸽被放出来后可以找回回家的路。

When you use an app involving your location, your phone constantly transmits where you are, like a homing beacon.

当你使用一个与你的位置有关的应用程序时，你的手机会不断发送你的位置信息，就像一个归航信号一样。