How do coral reefs form?
By: Imonikhe Ahimie
Coral reefs, the largest known structures of biological origin on Earth, are also amongst the most beautiful natural structures that exist on the planet as well as being, possibly, the most diverse and valuable ecosystems that exist anywhere on Earth. Commonly compared with the rain...
By: Dr. Bryan Katz
Rocks remember. This is a favorite maxim of geologists and planetary scientists. Essentially this means that the composition of a rock yields important clues about its origin. In geologic terms, a rock is an aggregate of one or more minerals. Minerals, in turn, are composed...
By: Brenda Speegle
Tales abound about lake water turning blood red and rivers flowing with blood instead of water. Reports of blood red lakes were children's Bible stories until people of modern times began witnessing the phenomenon around the world. Are blood red waters a sign the end...
By: Karen Parker - 704366
Oceanographic waves are disturbances propagating on or through water that do not move the water itself. Most waves are caused by wind blowing over the water’s surface. Swells are waves that occur in the absence of strong winds and are capable of traveling great...
By: Imonikhe Ahimie
The Northern Lights, aurora borealis, is the name given to certain bright displays of light which are frequently seen in the skies above the higher latitudes, i.e. towards the Arctic Circle, (Southern Lights, known as aurora australis, can be seen southern skies) and these...
Underwater Forest found in Gulf of Mexico
By: Leigh Goessl
A remarkable find has been made underneath the waters off the Alabama coast. Divers have discovered an ancient forest that had been very well preserved beneath the Gulf of Mexico. According to Live Science, the forest, which is comprised of Bald Cypress trees, has been...
Toronto flooding: Record rainfall surpasses Hurricane Hazel
By: Cameron Scott
Mention Hurricane Hazel to any Canadian of a certain age, and you will find that it still brings out strong memories. The only hurricane ever to hit Toronto left behind a trail of flooding and carnage that leaves a haunting legacy even to this day...
By: Julie Thomas-Zucker
Movement of water, by means of erosion and geology along with climate, is responsible for creating river landforms. Their shapes reveal their ages. Young rivers have valleys in V-shapes and irregular depths. Mature rivers have long sloped valleys and meandering streams. Sluggish streams and oxbow...
By: Blaise Pascal
The Earth's surface is covered with geographic features. Mountains, canyons, caves, rocky shores, islands, and beaches are just some of the many examples of different landscapes that are present on the planet. One thing in common that all of these features share is that they...
By: Teodor
According to the theory of plate tectonics, the outermost layer of the earth, called the lithosphere, is divided in pieces, which float over the mantle layer and move across the surface of the earth relative to each other. There are 12 major plates that float...

 

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