The habitat of the red fox
By: Rex Trulove
Part of the reason the red fox is so successful is due to its adaptability to its habitat. They can survive from altitudes of over 8,000 feet (nearly 3,000 meters) down to sea level. They can also withstand long harsh winters as well...
Assessing the future of human evolution
By: Stephanie Smith - 320518
In 2002, a debate at Edinburgh University entitled 'Is Evolution Over?' sparked controversy when a group of scientists proposed that, because of Western lifestyles, human evolution is over. But is this true and how can it be proven? If you could go back in...
Amino acids and their structure and function
By: Louis Rosenfeld
Amino acids, the building blocks of proteins, are composed of a central carbon atom to which is attached an amino group (-NH2) and an acid group (carboxylic acid: -COOH); hence their name. All carbon atoms have four bonds. Besides the amino group and acid group...
Early history of immunology: Contributions of Jenner and Pasteur
By: Wendy R.
Edward Jenner was a scientist sometimes known as the Father of Immunology. Jenner's biggest contribution to the world of immunology was his vaccine against smallpox. In the late 1700's Jenner noticed that milkmaids did not contract smallpox, a deadly disease that killed one out of...
The habitat of the Arctic fox
By: Emele Maisey
The Arctic Fox is native to cold Arctic regions of the Northern Hemisphere including Greenland, Iceland, Russia, Canada, Alaska and Scandinavia - All the lands of the circumpolar Arctic and all three tundra biomes: Arctic tundra, Antarctic tundra and alpine tundra. This type of fox...
By: Erich Rosenberger M.D.
The world of microbiology is a fascinating universe. There are thousands of different species of life-forms that can only be seen with the aid of a microscope. Even with a microscope, these tiny creatures are so foreign looking that they could easily be confused with...
Plants: Buddleia, aka butterfly bush
By: Kimberley A. Willis
Buddleia - The Butterfly Bush is Always Buzzing For late summer color and fragrance, and a beautiful feeding station for butterflies, nothing beats the Butterfly Bush. Even smaller gardens can now enjoy this easy to care for plant, as dwarf varieties have been developed...
Everything you need to know about Crazy Ants
By: James Johnson
I first encountered the term crazy ants when working with an entomologist from Oklahoma who was in the Caribbean Studying ants. He goes "oh, look, you have crazy ants". My son goes "all our ants are crazy" and the Professor goes "no, these over here...
Facts about the Order Sirenia
By: Laurie Childree
The order Sirenia contains dugongs, manatees and sea cows. There are two families containing four species in this order. There is a fifth extinct species of sirenian that are extinct. The four living species in the order of sirenia are the Amazonian manatee, African manatee...
Flowering trees of the Caribbean
By: James Johnson
Trees are big and majestic, with a central trunk that can tower up hundreds of feet. In North America they are mainly pine, spruce, oak and elm mixed with maples and populars. Europe is similar in appearance, the trees are green and impressive, but few...
« Previous 1 … 179 180 181 182 183 … 371 Next »