With humans, eye contact can mean different things depending on one’s culture. In the U.S. and most of Europe, eye contact signifies genuine interest in another person. It can also be flirtatious and a signal that the person making eye contact is confident and bold. In other cultures eye contact can be seen as a […]
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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 […]
