。 HeroRats凭借其鼻子挽救了人们的生命。
它们很聪明，嗅觉可与家庭犬媲美。这些老鼠比人类更快地搜寻地雷和疾病。 。
100 seconds: How much do you tip abroad?
Source: GALILEO (Glomex)
In Germany, it is customary to tip 10 percent. But what about abroad? "Galileo" has the answer.
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