If you’ve ever watched a frog eat prey, you’ve probably noticed that they close their eyes when swallowing. Scientists x-rayed frogs as they consumed crickets to discover what happens. The x-rays showed that the frog’s eyes don’t only close as they swallow, they retract down towards the esophagus. During swallowing the eyes appear to touch […]
No matter where your dog is in the house or even in the garden, the sounds of preparing food in the kitchen will bring him running to you. With such keen hearing, dogs can easily be trained to respond immediately to the relatively mild sound of the clicker, a child’s toy. And with treats involved, […]
