What is the purpose of the lateral line system in fish? The lateral line functions to detect vibrations and water movement and allows fish to orientate themselves in a water current (rheotaxis), gain information about their spatial environment, and also plays a vital role in schooling (see also HEARING AND LATERAL LINE | Lateral Line […]
Where is the largest geode in the world?
Where is the largest geode in the world? A researcher stands inside the Pulpí geode, the largest documented geode in the world, located at a depth of about 150 feet (50 meters) in a former silver mine in southeast Spain. Image via Hector Garrido. The Pulpí geode – discovered in 1999 – is often said […]
Why is it called a cabbage tree?
Why is it called a cabbage tree? British navigator James Cook bestowed the name ‘cabbage tree’ on the giant New Zealand tree lily Cordyline australis, which Māori called tī kōuka. Cook called it a cabbage tree because the young leaves are edible, and his name has stuck. Is cabbage tree a flax? These cabbage trees […]
What are wet prairies?
What are wet prairies? Wet prairie is a rather variable tall grassland community that shares characteristics of wet-mesic prairie, southern sedge meadow, calcareous fen and even emergent marsh communities. The wet prairies’ more wetland-like character can mean that relatively few upland prairie species are present. What kinds of plants are in the Everglades? Various types […]
What farm animals eat?
What farm animals eat? It includes hay, straw, silage, compressed and pelleted feeds, oils and mixed rations, and sprouted grains and legumes. Feed grains are the most important source of animal feed globally. The amount of grain used to produce the same unit of meat varies substantially. Do any farm animals eat meat? However, most […]
What caused Iranian revolution?
What caused Iranian revolution? Its causes continue to be the subject of historical debate and are believed to have stemmed partly from a conservative backlash opposing the westernization, modernization and secularization efforts of the Western-backed Shah, as well as from a more popular reaction to social injustice and other shortcomings of the … When did […]
Is the epic of Gilgamesh Sumerian or Babylonian?
Is the epic of Gilgamesh Sumerian or Babylonian? Gilgamesh is the semi-mythic King of Uruk in Mesopotamia best known from The Epic of Gilgamesh (written c. 2150 – 1400 BCE) the great Sumerian/Babylonian poetic work which pre-dates Homer’s writing by 1500 years and, therefore, stands as the oldest piece of epic world literature. What does […]
Which martial art teaches flips?
Which martial art teaches flips? As an example of history dictating acrobatic techniques, TaeKwonDo incorporates high flying jumping, spinning, and flipping kicks at least into their demonstration side of the art for an interesting reason. There is a foundational aspect of their history that informs the use of these techniques today. Are there flips in […]
How does Honda CR-Z hybrid work?
How does Honda CR-Z hybrid work? The CR-Z uses the latest version of Honda’s Integrated Motor Assist (IMA) System. It features an electric motor that adds power to the gasoline engine during acceleration and when going uphill. The motor also functions as a generator during deceleration, recharging the battery pack. Why did Honda stop making […]
Is Hongkong a global city?
Is Hongkong a global city? Why Hong Kong is a global city. Hong Kong makes the top 30 of our Global City Index, although its position at 26th reflects some of our concerns. Finally, a global city needs decent infrastructure that can efficiently transport the residents and keep them connected to the globalised world. What […]