Many mammals sleep for a large proportion of each 24-hour period when they are very young. However, killer whales and some other dolphins do not sleep during the first month of life. Instead, young dolphins and whales frequently take rests by pressing their body next to their motherâs while she swims.
typhoon meaning, definition, what is typhoon: a violent wind that has a circular movement, found in the West Pacific Ocean: . Learn more.
Tropical cyclones, also called typhoons and hurricanes, usually occur at predictable times of year in distinct parts of the world. Tropical storms lose their strength as they move over land. The range of error in the forecast of the path of a tropical storm can be significant.