You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.

La unica diferencia es que uno de los perros tiene un pequeno boton en su mitad de la caja.
The only difference is one of the dogs has a small button in its half of the box.

Y no tiene nutrientes, no tiene proteinas, y los cientificos estan modificando todo esto en ella ahora mismo.
It doesn't have nutrients, it doesn't have protein, and scientists are engineering all of that into it right now.

De acuerdo? Queremos intentar recalcular.
Okay? We want to try to recalculate.