Do you know the main points of the theory of natural selection?
Did you know that different cultures imagined different constellations, based on their own cultural context?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Magnetic polarity reversal
xMagnetic polarity reversal : A magnetic polarity reversal is a change of the earth's magnetic field to the opposite polarity. This has occurred at irregular intervals during geologic time.
Earthquakes occur regularly in Sumatra, Indonesia because it is located near the boundary of two of Earth's tectonic plates. Earthquakes can create tsunamis when the seafloor moves up or down rapidly....Read more