打喷嚏是我们生活中常见的生理反应，通常是由于鼻腔受到刺激而引发的。然而，有些人发现，当他们直视阳光时，会不由自主地打喷嚏。这种现象被称为“光性喷嚏反射”（photic sneeze reflex），虽然并不是每个人都会经历，但其背后的机制却引起了科学家的广泛关注。

A recent agreement to open 93 locations in the next 20 years brings the total number of expected Burritobars in the U.S. to ...

虎扑12月09日讯 全明星Photic先行返图 世间烦扰喧嚣如彩 少年锐意当蓝不让 ...

IN 1934, Adrian and Matthews 1 showed that rhythmic electrical potential changes could be recorded from the occiput in man when the subject's eyes were illuminated by a bright flickering light.