Cognitive development involves the mental processes that enable children to learn. These processes include memory, concentration, perception and imagination. Children begin developing by responding to stimuli in their environment as infants.

Bouldering, or climbing short, difficult routes without a rope to stop your fall, reduces climbing to nothing but you, the rock, and the moves -- plus a crash pad below you, and hopefully a buddy or two to help guide you into the crash pad if you fall.

Sockeye is one of the five main species of Pacific salmon and is generally a wild-caught fish. All salmon are good sources of protein, vitamin B-6, vitamin B-12, niacin, riboflavin, calcium and selenium, which is a trace mineral that helps detoxify mercury.

The success of bread depends on many factors, most of them centering around the behavior of yeast, the living organism that makes it rise. This means that, on any given day, the recipe you've used for years may prove maddeningly balky and leave you with an inert lump of uncooperative dough.

If you’re a serious cyclist, chances are you’ve heard stories about the link between bike riding and infertility. Unless you talk with your health care provider or research the subject on your own, it’s difficult to know if such stories are based on facts and whether or not cycling can adversely affect your health.

Snorkeling requires very little actual swimming. Simply floating on the sea's surface, with your snorkel and mask strapped on, you can enjoy all of the underwater sights below. As you gain confidence, you can begin to practice the "flutter kick," using your legs to propel yourself through the water.

Trained dancers consider flexible hips an asset. Greater range of motion in the hip sockets results in easier, freer movement in the entire midsection.

Children ages 2 through 6 are developing their individuality and sense of self, according to famed child psychoanalyst Erik Erikson. Reconsidering the intention behind seemingly naughty behavior before dealing with a child can make all the difference in the world, says contemporary child rearing authority T.

Less expensive than an average trip to the movies, the roller rink offers something many other entertainment venues do not -- a healthy workout. The Franklin Institute lists roller skating among its recommended forms of aerobic activity.

Bodyboards -- also referred to as boogie boards -- allow an individual of any age to ride waves while lying on their stomach on the board. Whether you rent or buy a bodyboard for your child, choose a bodyboard based on your child's size.

A little cardio can go a long way. As little as 2 1/2 hours each week can lower your risk of disease and moderately impact your body weight, according to the American College of Sports Medicine. Treadmills and stair climbing machines are two common pieces of cardiovascular equipment found in gyms.

As temperatures rise, many people retreat to mountain trails to escape the heat and enjoy time with nature. Hiking can be a challenging activity and requires a positive attitude and determined frame of mind. This form of exercise strengthens the muscles, improves heart health and boosts mood.