#sight

The 8 Senses

« Animals might see crisp detail at a distance, or nothing more than blurry blotches of light and shade. They might see perfectly well in what we’d call darkness, or go instantly blind in what we’d call brightness. They might see in what we’d deem slow motion or time-lapse. They might see in two directions at once, or in every direction at once. Their vision might get more or less sensitive over the span of a single day. Their Umwelt might change as they get older. Jakob’s colleague Nate Morehouse has shown that jumping spiders are born with their lifetime’s supply of light-detecting cells, which get bigger and more sensitive with age. “Things would get brighter and brighter,” Morehouse tells me. For a jumping spider, getting older “is like watching the sun rising." »

La reacción de este bebé al ver bien el mundo que le rodea por primera vez: