But when we looked at their genes, it turns out that what they wanted to eat was the food we were already feeding them.
اما وقتی به ژنهایشان نگاه کردیم کاشف به عمل آمد که چیزی که برای خوردن  می‌خواهند غذایی است که قبلا به آنها دادیم.