Dinosaur extinction and the Chicxulub crater.
By: D. Vogt
It is now generally accepted among paleontologists and geologists that the most likely reason for the extinction of the dinosaurs 65 million years ago, during the so-called Cretaceous-Tertiary extinction event, was an asteroid impact. However, there is still some uncertainty over what precise impact might...
An overview on types of lightning
By: Judith Willson
Lightning, put simply, is an electrical discharge. Essentially it is sparks, but the term lightning is used when this happens on a far larger scale than you would get stroking a cat with a piece of plastic. Lightning is associated with thunderstorms and although stunning...
Knowing the signs of heat exhaustion
By: Olivia Kay
Knowing the signs of heat exhaustion can be the difference in staying safe while participating in outdoor physical activity when the weather is dominated by hot and humid conditions, especially in the summer months. Everything from playing sports, jogging, bicycling, or even gardening or doing...
What will a hurricane do to the oil slick in the Gulf of Mexico?
By: Perry McCarney
What could the worst case scenario be if an inbound hurricane crosses the Gulf oil spill before hitting the US coast? Considering the extent of oil extraction operations in the Gulf of Mexico and its well-known efficacy for producing storms up to category five hurricanes...
Knowing the signs of heat exhaustion
By: Annalou Mack
Summer is the time to work in the garden, mow the lawn, go to the beach and dozens of other things that can bring on heat-related illnesses such as heat exhaustion. Prepare yourself by knowing the symptoms of heat exhaustion and what to do about...
What would happen if atmospheric carbon dioxide amounts were cut by half?
By: Virginia Gaces
Carbon dioxide is one of the gases that could cause global warming. This is because it prevents the reflection of the sun’s heat back into space. Normally, carbon dioxide exists ideally in the atmosphere at 0.03%. The percentage continues to increase because of...
Is Space Travel to the Planet Mars too Dangerous
By: Gunter Chang
Of course travel to Mars, 150 million miles of hard vacuum and cosmic radiation away, is too dangerous and it will probably remain so for the foreseeable future. This question is phrased not, "should we go to Mars", or, "will we ever get to Mars"...
By: Joseph Malek
Any natural disaster that causes the loss of life and property will have many lasting effects for the people and the community that was struck by such a natural disaster. As a matter of fact, some or most of the victims who are still alive...
Fossil fuels and the environment
By: Rita Mcconnell
Environmental issues, especially those related to the climate change phenomenon, are complex and, due to their basis in advanced science, often difficult to fully understand. However, because of the genuine environmental and ecological concerns many people have, we are often guilty of simplifying challenges and...
Volcanoes, what they do and how they're formed
By: Mister Maths
A volcano is a geological landform usually generated by the eruption through a planet's surface of magma, molten rock welling up from the planet's interior. Other forms of volcano include ice volcanoes (particularly on some moons of Jupiter, Saturn and Neptune) and mud volcanoes. On...

 

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