I have a keen interested on interesting science facts and just want to share this amazing information related to them as in this article: Dogs and the health benefits for older adults and children

Dogs and the health benefits for older adults

As well as providing vital companionship, owning a dog can play an important role in healthy aging by:

Helping you find meaning and joy in life. As you age, you’ll lose things that previously occupied your time and gave your life purpose. You may retire from your career or your children may move far away. Caring for a dog can bring pleasure and help boost your morale, optimism, and sense of self-worth. Choosing to adopt a dog from a shelter, especially an older dog, can add to the sense of fulfillment, knowing that you’ve provided a home to a pet that may otherwise have been euthanized.

Staying connected. Maintaining a social network isn’t always easy as you grow older. Retirement, illness, death, and relocation can take away close friends and family members. And making new friends can get harder. Dogs are a great way for older adults to spark up conversations and meet new people.

Boosting vitality. You can overcome many of the physical challenges associated with aging by taking good care of yourself. Dogs, and to a lesser degree cats, encourage playfulness, laughter, and exercise, which can help boost your immune system and increase your energy.

Dogs and the health benefits for children

Not only do children who grow up with pets have less risk of allergies and asthma, many also learn responsibility, compassion, and empathy from having a dog or cat.

Unlike parents or teachers, pets are never critical and don’t give orders. They are always loving and their mere presence at home can help provide a sense of security in children. Having an ever-present dog can help ease separation anxiety in children when mom and dad aren’t around.

Having the love and companionship of a loyal dog can make a child feel important and help him or her develop a positive self-image.

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Kids who are emotionally attached to their dog are better able to build relationships with other people.

Studies have also shown that dogs can help calm hyperactive or overly aggressive kids. Of course, both the dog and the child need to be trained to behave appropriately with each other.

Children and adults alike can benefit from playing with dogs, which can be both a source of calmness and relaxation, as well as a source of stimulation for the brain and body. Playing with a dog can even be a doorway to learning for a child. It can stimulate a child’s imagination and curiosity. The rewards of training a dog to perform a new trick, for example, can teach kids the importance of perseverance. Caring for a furry friend can also offer another benefit to a child: immense joy.

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Some awesome questions about penguin facts like: How do penguins swim or How fast can penguins swim? Have you thought about this mystery? Let's us give you the answer

How do penguins swim?

Though ungainly on land, the flightless penguin has physical characteristics perfect for swimming through water – fortunate, as some species are known to be at sea for up to 75 per cent of their lives. Spending so much time in the water puts penguins at risk from predators, so swimming skills are essential. While their long, streamlined bodies and short legs give them a clumsy gait when waddling on land, penguins’ wings have a unique characteristic that gives them surprising agility in water.

While penguins’ wings are not suitable for aerial flight – mainly because, unlike the delicate lightweight bones of other birds, penguin bones are solid – they are perfect for soaring through water, with the Gentoo penguin reaching speeds up to 35km/h (22mph). Referred to as flippers, the penguin’s stiff wings act as the perfect natural paddle. What’s most interesting, however, is the recent discovery that as well as being able to flap their flippers up and down like wings, penguins can also twist them in a corkscrewing motion.

The joint attaching the flipper to the body is similar to that of a human shoulder, enabling the bird to better control its movements and speed. A swimming penguin can rotate one flipper in one direction and the other in another, enabling it to turn instantly or stop suddenly. Twisting causes a greater surface area of the wing to move over the water, which generates a greater thrusting force so the penguin can increase its speed without the need for more flapping.

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Another technique the penguin uses for moving through water is porpoising. Whenever it needs to breathe, the penguin will periodically swim fast under the water and then use its flippers to leap from the water in an arc. The momentum of porpoising helps penguins when they need to flee quickly from predators.

The humble penguin is one of the planet’s best-equipped swimmers and the ‘twisting flipper’ motion is currently being applied by scientists who are looking to develop robot technology that helps to improve the efficiency and performance of underwater vehicles.

According to About.com, penguins jump in shallow arcs in the air while swimming, which is a practice known as "porpoising." This practice covers their plumage with tiny air bubbles and allows them to reduce friction while swimming and avoid predators. Some scientists theorize that penguins engage in this practice simply because they are happy. Penguins feed on fish, shrimp, krill and other crustaceans, and their superior underwater eyesight allows them to spot prey even in cloudy or murky water.

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