Do you know why volcanic ash is a problem for air travelers?
Did you know that, in Egyptian mythology, the sky goddess Nut married the Earth god Geb, and that the Sun god Re was angry, and so forced them to separate?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
Quaternary
xQuaternary : The Quaternary is the geologic time period comprising about the last 1.65 million years.
Current observational tools cannot account for roughly half of the heat that is believed to have built up on Earth in recent years, according to a "Perspectives" article in this week's issue of the journal...Read more