Nature has its own balance which is both sturdy and fragile at the same time; when that balance is broken (by man, what else?) it is very hard and sometimes almost impossible to set things right. That’s why we have to pay attention to the numerous fragile ecosystems because everything is connected.It goes the same [...]
Wednesday, January 30, 2008
Understanding the mechanisms which take place is something scientists are have been trying to figure out for ages; because of it’s small size, maping it and understanding some things seems almost impossible, but this is a very important step in solving some molecullar puzzles. This would in fact speed up significantly the process of discovering [...]
Wednesday, January 30, 2008
Working with genes is something very delicate and dangerous at the same time. If scientists were able to, say, turn a gene off when it is not needed or harmful and then turn it on at a certain point then that would be a huge breakthrough, with a list of benefits that could go on [...]
Thursday, January 24, 2008
In case you don’t know, a tsunami is a series of waves created when a body of water, such as an ocean, is rapidly displaced. Earthquakes, mass movements above or below water, volcanic eruptions and other underwater explosions, landslides, underwater earthquakes, large meteoroid or asteroid impacts and testing with nuclear weapons at sea all have [...]
Thursday, January 24, 2008
The Ulysses spacecraft today is making a very interesting and important rare flyby over the sun’s north pole. This spacecraft is different from anyother, being able to sample winds at the sun’s poles, which are difficult to study from Earth. However, this is not the first time it has been over the Sun’s poles; this [...]
Wednesday, January 23, 2008
A volcano in the West Antarctic Ice Sheet erupted 2000 years ago (325BC) and remains active thus giving us the first evidence of an under-ice volcanic eruption. This volcano has a volcanic explosion index of about 3-4. The heat from the volcano melt-water that lubricates the base of the ice sheet and increases the flow [...]
Wednesday, January 23, 2008
Butterflies have fascinated people for as long as we can remember; the beauty of their wings is known to just about everybody and well just about everybody loves them. But behind their naive beauty lies a mistery which has baffled scientists as they couldn’t understand how these colours are created. Marco Giraldo has been examining [...]
Tuesday, January 22, 2008
The tree of life is a metaphor scientists use to describe all life on Earth in an evolutionary context. Charles Darwin talks about envisioning evolution and ecosystems as a “tangled bank” in The Origin of Species; however, the book’s sole illustration is of a branched diagram that is very tree-like. This “design” has been used [...]
Tuesday, January 22, 2008
According to wikpiedia, Autism is a brain development disorder that impairs social interaction and communication, and causes restricted and repetitive behavior, all starting before a child is three years old. It is very heritable, although the genetics of autism are complex and it is generally unclear which genes are responsible. A study showed that previously unknown [...]
Monday, January 21, 2008
About 250 million years ago, at the end of the Permian, and event caused a mass extinction which killed over 90 percent of the life on Earth. Ecosystems were destroyed and organisms were left to recover; it was the closest life came to being wiped out ever. The full recovery of those ecosystems took at least [...]
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Wednesday, January 30, 2008
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