By: Lime Green Sphere
Cacti don't save up for rainy days; it's the sunny days that need saving up for!Cacti are truly amazing plants. They live in some of Earth's harshest conditions and can survive severe drought and unstable weather. The majority of earth's cacti are endemic to...
By: Katherine Elzer-Peters
The "Theory of Signatures," or "Doctrine of Signatures" is believed to have been started by a German shoemaker, Jacob Bohme, in the sixteenth century. To understand examples from the theory of signatures, first one must understand binomial nomenclature, the official naming system of living...
By: Perry McCarney
Taxonomy is the science of classification that is used to place organisms, both extant (currently living in the world) and extinct (no longer living in the world) in a hierarchical structure of association. To determine how closely related they are to each other. Taxonomic classification...
By: Perry McCarney
Adult tigers are solitary; each male has a large home range he roams while the females have a smaller one, relating to their motherhood duties. Each home range will overlap several others, both male and female. When a female goes into heat or estrous she...
By: Naveen Mahmood
Manipulation of nucleic-acids is based on their physical & chemical properties in turn reflected in their biological function; intrinsically DNA is a very stable molecule; it has been recovered from frozen mammoths in high-enough quality to be cloned; this stability is provided by the strong...
Is the Human Race Evolving or Devolving
By: W. Diane Van Zwol
The Human Race Is Always EvolvingThe human race is always evolving and always will be, even though it may appear to be taking a few steps backwards now and then. To suggest that it only devolving implies that the human race is headed only one...
By: Ben Hughes
The thermometer has its origins back in the sixteenth century with Galileo but didn't become recognisable as a modern instrument until it was revolutionised first by Santorio and then Fahrenheit in later centuries.The Greeks made simple thermometers in the first century BC but there...
By: Jennifer Vose
Organisms can be either autotrophs or heterotrophs. Autotrophs, or literally "self-feeders," are capable of creating their own food through the processes of photosynthesis or chemosynthesis. Heterotrophs, "other-feeders," rely on autotrophs as a food source.Photosynthesis is the process where photoautotrophs capture light energy...
By: Jennifer Vose
Mitochondria are intracellular structures responsible for harvesting the energy from food. They are bean-shaped organelles (a term referring to structures within a cell that perform a function) and have a series of external and internal membranes. Mitochondria are the sites of cellular respiration. In cellular...
New species found in Sequoia National Park caves
By: Allan Street
Nestled in west central California, west of Death Valley National Park and east of Fresno, is found the Sequoia National Park. Recent discoveries in the caves found within this national park, have revealed up to 30 new species of animals, covering such families as scorpion...

 

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