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Yoga is one of the six schools of Hindu philosophy, focusing on meditation as a trail to self-knowledge and freedom. Yoga is seen as a means to mutually physiological and spiritual mastery. Outside India, Yoga has become mainly related with the practice of asanas of Hatha Yoga, although it has influenced the whole dharmic religions family and other spiritual practices throughout the world

5,000 year old carvings from the Indus Valley Civilization represent a figure that archaeologists think represents a yogi sitting in meditation posture. The sitting in a conventional cross-legged yoga pose with its hands resting on its knees. The explorer of the seal, archaeologist Sir John Marshall, named the figure Shiva Pashupati.

A seal from the Indus Valley Civilization, The first known written reference to yoga is in the Rig Veda, likely by the western scholars to be at least 3,500 years old. The Upanishads, Bhagavad-Gita, and the Yoga Sutras of Patanjali also converse the concepts and teachings of yoga.

Ice hockey is played on a large flat area of ice, using a three inch (76.2 mm) diameter vulcanized rubber disc called a puck. This puck is often ice-covered before high-level games to reduce friction on the ice. The game is contested between two teams of skaters. The game is played all over North America, Europe and in many other countries around the world to varying extent.

All-purpose purpose police dogs in British police forces are habitually German Shepherds, also known as Alsatians. 'Passive' drug dogs (used to sniff people as they pass to determine whether they are carrying drugs, but not to actually touch them) are repeatedly Labradors, known for their good-natured and friendly nature. 'Active' drug dogs (which search for drugs in locations instead of on people) and explosives dogs are typically Springer Spaniels, known for their curiosity, intelligence and enthusiasm. General purpose dogs and passive drugs dogs are usually trained to search for objects as well.Handlers and their dogs must be licensed by the Home Office, following a thirteen-week course. They are approved as a team and handlers cannot work each others' dogs unless they undergo a licensing course with the other dog as well (which only lasts six weeks if both handler and dog are already fully-trained).

Erosion is the displacement of solids by the agents of wind, water or ice, by downward or down-slope movement in response to gravity or by living organisms . Erosion is distinguished from weathering, which is the decomposition of rock and particles through processes where no movement is involved, although the two processes may be concurrent.

Erosion is an intrinsic natural process but in many places it is increased by human land use. Poor land use practices include deforestation, overgrazing, unmanaged construction activity and road or trail building. wever, improved land use practices can limit erosion, using techniques like terrace-building and tree planting.A certain amount of erosion is natural and, in fact, healthy for the ecosystem. For example,
gravels continually move downstream in watercourses. Excessive erosion, however, can cause problems, such as receiving water sedimentation, ecosystem damage and outright loss of soil.