Dec 9, 2024 · Scientists use the Oceanic Nino Index (ONI) to measure deviations from normal sea-surface temperatures. El Niño events are indicated by sea surface temperature increases …

http://education.nationalgeographic.com/encyclopedia/el-nino/ El Niño is a climate pattern that describes the unusual warming of surface waters along the tropical west coast of South …

Oct 26, 2015 · El Niño is the “warm phase” of the El Niño-Southern Oscillation (ENSO). The cool phase, La Niña, is characterized by unusually cool ocean surface currents. El Niño and La …

Dec 9, 2024 · La Niña is considered to be the counterpart to El Niño, which is characterized by unusually warm ocean temperatures in the equatorial region of the Pacific Ocean. Together, …

Oct 19, 2023 · Media is the plural form of the word medium, which is a means of conveying something—in this case, information. Media serves many purposes, including communicating …

I just donated to the National Geographic Society because I want to support science, exploration, and conservation. Will you consider making a gift too? Every dollar donated supports the …

Oct 19, 2023 · Día de los Muertos, or Day of the Dead, is a celebration of life and death. While the holiday originated in Mexico, it is celebrated all over Latin America with colorful calaveras …

MapMaker is a digital mapping tool, created by the National Geographic Society and Esri, designed for teachers, students, and National Geographic Explorers.

Nov 18, 2024 · Organelles are specialized structures that perform various jobs inside cells.. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, …

Oct 19, 2023 · Then introduce the infographic and compare their descriptions to the dinosaurs in the family tree. Have students practice using the key by identifying which dinosaurs showed no …