Cloning Humans Allowed Evolution Adoption
By: Hans Hell
We can now make genetic copies of animals; cloning adult animals. It is not inconceivable that we over time will learn to do this in humans also. But we are faced with the question: Should we allow cloning ourselves? There could be several arguments speaking...
Function and importance of the hippocampus
By: Dr. Manura Nanayakkara
Hippocampus is a brain structure responsible for emotions, long term memory and spacial navigation. It is a part of the Limbic system of the brain. It is sea horse like structure situated beneath the cortex of the medial temporal lobe. In addition, hippocampus is situated...
How does bacteria become resistant to antibiotics?
By: Effie Moore Salem
Bacteria become resistant to antibiotics by becoming familiar to how the drug acts and then changing their structure in order to resist being destroyed by the antibiotic. The more antibiotics a person takes, the easier it is for the germs to accumulate enough stamina to...
Why the body needs sleep
By: Sadaf Ahmad
Sleep is a basic need, as essential for mental and physical health as are nutrition and exercise. It allows your body to repair and restore itself so you can function efficiently and energetically during the waking hours. On average, you spend one-third of your life...
Understanding the connection between the body and homeostasis
By: Hans Hell
Homeostasis is a condition that the body strives to maintain all the time. The word Homeostasis comes from the Greek words; homoios which means "similar" and the word stasis with the meaning "stopping" or "standing" and it refers to a stable and steady state within...
What is the plantar fascia?
By: Max Lehmann
Most people will never need to know what the plantar fascia is, it is only when it starts to cause issues that they will find out. Unfortunately, once one has plantar fasciitis it can be a little too late to learn all about it, and...
By: Dr Pandula Siribaddana
What is a central venous line? The central venous line is a specific access portal to a larger vein in the human body and can contain either single or multiple separate channels which makes the line rather efficient in its functioning. The use of central...
The role of DNA methyltransferase in gene expression
By: Alicia M Prater PhD
The DNA methyltransferases are a family of enzymes that add a methyl group (-CH3) to DNA in a process called methylation (for a 3D structure of the enzyme click here). DNA methylation is considered to be an epigenetic change because it does not alter the...
Apocalypse zombies a possibility says scientist
By: Terrence Aym
A virulent rabies-influenza viral hybrid could lead to masses of infected victims turning into veritable zombies. The hapless former humans would exhibit all the classic features of the horror movies: the would become lumbering, mindless monsters with murderous tendencies and the ability to transform others...
The role of birds in Bird Flu
By: Alicia M Prater PhD
Bird flu, or Avian flu, is an illness in birds caused by type A influenza virus. The form that passes to humans is an H5N1 strain known sometimes as Asian bird flu. In 2008, some experts expressed concern about an outbreak of this flu among...

 

1 200 201 202 203 204 296