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Macular degeneration, also known as age-related macular degeneration (or AMD) is the most common cause of severe vision loss in people over age 60, affecting an estimated 20 million Americans.
Blindness in animals can be caused be the result of environmental adaptations over time, or due to various conditions of the eyes. [ 1] Many blind species have been able to adapt, [ 2] navigate and survive in their environment by relying on their other senses. Some species are born without eyes such as the kauaʻi cave wolf spider, olm and the ...
Here’s another reason to keep nurturing your social life after 65. Staying engaged with other people can help your body and mind remain healthy as you age, according to the Centers for Disease ...
Many general education courses are offered online. 12. Hawaii. The Senior Citizen Visitor Program at the University of Hawaii and state community colleges allows senior residents age 60 and up to ...
A barred grass snake ( Natrix helvetica) playing dead. Apparent death [a] is a behavior in which animals take on the appearance of being dead. It is an immobile state most often triggered by a predatory attack and can be found in a wide range of animals from insects and crustaceans to mammals, birds, reptiles, amphibians, and fish.
Tool use by non-humans. Tool use by non-humans is a phenomenon in which a non-human animal uses any kind of tool in order to achieve a goal such as acquiring food and water, grooming, combat, defence, communication, recreation or construction. Originally thought to be a skill possessed only by humans, some tool use requires a sophisticated ...
6. 'Old People Don’t Travel' Fact: Seniors travel more than you do. Retirement often means more time to explore the world, and many seniors take full advantage.
Sirenia. The Sirenia ( / saɪˈriːni.ə / ), commonly referred to as sea cows or sirenians, are an order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters. The extant Sirenia comprise two distinct families: Dugongidae (the dugong and the now extinct Steller's sea cow) and ...