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The sun and planets formed together 4.6 billion years ago from a cloud of gas and dust called the solar nebula. -
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks. -
It was believed that Earth's landscape at that time was covered with barren rocks harboring nothing more than some bacteria and possibly some algae. No undisputed fossils of the earliest land plants and fungi have been found in rocks formed during the Precambrian period, says Hedges, possibly because their primitive bodies were too soft to turn into fossils. -
Tiktaalik was the first animal to possess lungs. -
The Taung child, as it was known, was a juvenile member of Australopithecus africanus, a species that lived one million to two million years ago, though at the time skeptical scientists said the chimpanzee-size braincase was too small for a hominid. -
A new study that relies on brain-imaging of cerebral blood flows suggests that human speech and complex tool-making skills emerged together. -
A historical region and cultural area in southern North America and most of Central America. It extends from approximately central Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica. Also included Olmecs, Mayans, and Aztecas.
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Early humankind also observed that certain plants could be used to treat sickness and disease, and herbal medicines were developed, some of which are still used by modern pharmaceutical companies to provide leads for new synthetic drugs. -
A Cathedral isn’t a place where you go to worship. A Cathedral is the seat of a bishop, or regional church leader and the administrative, spiritual and educational center of the bishopric or diocese- the district under the bishop’s control. When a new cathedral was built in a new city, that city grew economically. As the population grew, bishopric's split because new Cathedrals were needed in other cites.
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Born January 4, 1643 Passed away March 31, 1727. Newton studied in London, United Kingdom, while he was studying he discovered the Theory of Gravity and helped us get a better understanding of Physics. Newton made a major impact on how we work with Math, Physics, and engineering. You may also know Isaac newton as Newtons Law: An object that's in motion stays in motion unless a force acts on it.