Earth

Most people living in the high-income world may be unaware of a “silent killer” that is estimated to cause over 2 million deaths annually.1 “Household air…
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The African savanna is home to one of the world’s most diverse large mammal communities: lions, cheetahs, hyenas, leopards, and wild dogs all roam the…
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During winter in the Northern Hemisphere, about one-third of Earth’s land surface is covered by snow. However, as a response to the intense global warming,…
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Meiosis is how sex cells reproduce, dividing their chromosomes by half to create four haploid cells that are distinct from the original cells that birthed…
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Archaebacteria are similar in form to bacteria, but they are different from the normal bacteria that biologists often study. In fact, the differences between regular…
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Cooperation among countries sharing a water basin is often difficult due to historic rivalries, conflict legacies, and the increased utilization of water flow. In order…
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The fossil fuel reserves of our world are depleting. Most of the government agencies are funding the research and development of fossil fuel alternatives such…
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Our planet is divided into seven continents and five oceans. The seven continents are North America, South America, Asia, Africa, Australia, Europe, and Antarctica. While…
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Because planet Earth has continued to change over the past 4.5 billion years, the chemical composition and differentiation of the infant Earth provides a starting…
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Convective outlook is used by NOAA to provide the public and meteorologists information on the potential severity and probability of occurrence of a weather system…
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The parts of a tree can be broken down into the roots, trunk, bark, branches, crown, leaves, and periodically flowers and/or fruit. Each part of…
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