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8 hours ago · Natural science can be divided into two main branches: life science and physical science. Life science is alternatively known as biology, and physical science is subdivided into branches: physics, chemistry, earth science, and astronomy. These branches of natural science may be further divided into more specialized branches (also known as fields).
8 hours ago · A hypothetical atom with seven electrons, arranged in a pentagonal dipyramid, as imagined by Thomson in 1905. The now obsolete plum pudding model was the first scientific model of the atom with internal structure.
8 hours ago · The heat index (HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade.
8 hours ago · Human evolution has been impacted by so many events over millenia; events that have shaped our physical, cognitive, and cultural development. Our species has had to deal with the pressures of surviving in all manner of harsh environments and climates, which drove them to innovate, migrate, and cooperate in ways that laid the foundation for modern human societies.
8 hours ago · De par sa nature, un volcan actif peut entrer en éruption et émettre de la lave, des roches, ou même de simples fumerolles de gaz. Entre autres qualificatifs, un volcan peut également être ...
8 hours ago · Explore hands-on science lessons that help students define and demonstrate sound through interactive activities, as well as identify the basic components of a PA system by assembling a working loudspeaker.
8 hours ago · Geodynamics - Community-driven organization advancing Earth science by providing the infrastructure for the development and dissemination of software for geophysics and related fields.
