By: Michael Totten
The migratory patterns of the humpback whale (Megaptera noviaeangliae) span some of the greatest distances of any species, covering on average some 25,000 kilometres every year from the tropics to polar waters and back again. One population of humpback whales winters off the coast...
By: Tami Port MS
To understand the binomial nomenclature of scientific names, it helps to have at least a general understanding of how scientists categorize living things. The science of taxonomy and systematics involves the classification of organisms according to evolutionary relationships; how closely related they are to each...
Why killer whales attack other whales
By: Ruth Belena
When Killer Whales were observed by Spanish sailors, who frequently saw them attacking another whale, they described these great creatures as "whale killers". Orcinus orca subsequently became known as the killer whale. The killer whale is an an odontocete, a sharp toothed cetacean, and is...
By: Herman Bos
The evolution of humans.A business history.Except for the last few hundred years no reliable records were kept, are incomplete or were lost, thus we do have the abominable task to reconstruct that.This requires the effort of an extra-terrestrial to which this would...
Human Evolution
By: Ryan Thomas
Speaking strictly in the context of evolutionary biology, humans appear to be devolving. From hereditary heart defects to cystic fibrosis, the human genome is being shot through with mutation after mutation, almost all of which are degenerative. In nature, individuals with these mutations would eventually...
Is the Human Race Evolving or Devolving
By: Jimmy Nightingale
An interesting debate.There is no doubt that the human race has progressed at near light speed over the last one hundred and fifty years. Medical science has advanced so that we live longer on average than ever before. Our infant mortality rates have plummeted...
Life span of a dragonfly
By: Len Morse
The dragonfly ("Odonata Anisoptera") leads a fleeting, yet intense existence. It's life span ranges from less than a year to four or five years, even when you add the larva and adult stages together, despite being one of the greatest hunters in the insect world...
By: Edward Webber
Many believe that evolution is just an "idea" and is not proven or is on shaky ground. However, a theory is much more than just a "guess" as so many mistakenly think. A theory is a hypothesis, supported by facts to substantiate it. Evolution is...
By: Tami Port MS
Temperate climates provide a clear and beautiful sign of the approaching winter when autumn leaves begin to change color. This brilliant show inspires many travelers to head north for breathtaking fall color tours. But what actually causes leaves to change from summer's green to the...
PAGE and Western Blots
By: Danielle Corbett
Page (Polyacrylamide Gel Electrophoresis) and Western BlotsGel Electrophoresis is a separation science commonly used in many laboratories when searching for protein or DNA of interest. It is similar to using strainers in your kitchen to separate large pieces of food from the smaller pieces. Gel...

 

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