Video: It's pretty simple. The cornea and the lens needs to focus light right onto the retina in the back of the eye in order for us to see clearly. If our corneas and lenses are screwed up, it will pinpoint the light in front of or behind the retina, causing us to only be able to see what's right in front of us or what's really far away. Basically, slapping a pair of glasses on your eyes refocuses light so that it hits the retina, as it's supposed to. The prescription is adjusted to what you need.
How Do Glasses Actually Help Us See Better?
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When humans take the drug MDMA, versions of which are known as molly or ecstasy, they commonly feel very happy, extroverted, and particularly interested in physical touch. A group of scientists recently wondered whether this drug might have a similar effect on other species — specifically, octopuses, which are seemingly as different from humans as an animal can be. The results of their experiment, in which seven octopuses took MDMA, were "unbelievable."
Today is Hobbit Day — the birthday of J.R.R. Tolkien’s beloved heroes, Bilbo and Frodo Baggins. I also happen to be a few months away from celebrating my own Hobbit Birthday, 33 and a third years young. So I foolishly thought, "I’ve avoided watching Peter Jackson’s The Hobbit movies until now. Maybe it’s time I gave them a chance." Nine hours later, I feel as though I’ve aged another 33 and a third years. I’m older but none the wiser, doomed to wander the depths of Middle-earth full of sorrow, regret and troll spit chilli. Why did nobody warn me?