Articles written by Emma Walker

Where Knowledge Rules

What is Helium

About me - Emma Walker

I am a lone parent of three beautiful children with an unusual passion for science especially medical and biology. Last year I completed a biomedical science degree and I am due to start my masters later this year.

I live in the U.K

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Pets & Animals > Animal Facts & Resources The similarities of communication between humans and animals: 1 of 9
Chimpanzees greet each other by touching hands. Elephants show affection by entwining trunks. Gorillas stick out their tongues to show anger. Horses rub noses as a sign of affection. Kangaroo rats stamp their feet to warn predators. Whales and dolphins use sound to communicate, and the list goes on Zoosemiotics is the study ... More..
Health & Fitness > Nutrition Basics How probiotics help intestinal health: 6 of 33
Your gut contains trillions of bacteria, yes that's right trillions. No don't worry you are not ill they are meant to be there. There is such a thing as good bacteria, it is their job to prevent us from getting food poisoning, stimulate our immune system (i.e. stop that nasty snivelling cold from lasting so long), and to hel... More..
Society & Lifestyle > Society & Lifestyle (Other) The greatest comeback story: 37 of 193
Just over 2 years ago my husband and my relationship was in tatters, I found myself in the strange situation of being alone for the first time in my adult life, a single parent of two very young children, living in a two up two down terraced house with my estranged husband living opposite with his elderly parents. Within thr... More..
Sciences > Genetics Have breakthroughs in DNA research led to more harm than good?: 6 of 30
Breakthroughs in DNA research have led to the development of new technology and medical treatments, in some cases where only limited or no treatment previously existed. A lot of good has come out of this relatively new field of scientific research. The molecular structure of DNA was discovered in 1953 by James Watson and Fra... More..
Parenting & Pregnancy > Pregnancy Are a few drinks during pregnancy OK?: 3 of 9
The advice on drinking during pregnancy seems to change year from year and sometimes between one midwife to another, which has led to confusion over exactly how much alcohol if any during pregnancy is safe. Obviously if one chooses to completely abstain from alcohol during pregnancy then there can be virtually no risk of alc... More..
Sciences > Genetics Is human cloning too close for comfort?: 5 of 13
There are three main types of cloning; 1) Recombinant DNA technology 2) Reproductive cloning 3) Therapeutic cloning. Recombinant DNA Technology: Is the transfer of a DNA fragment of interest from one organism to a self replicating genetic element such as a bacterial plasmid. This type of technology has been around since the ... More..
Pets & Animals > Animal Rights & Issues How the Animal Rights Movement threatens medical progress: 2 of 5

BBC news 21.01.09 Today seven animal rights activists who blackmailed companies linked to an animal testing laboratory have been jailed for between four to seven years'. The seven people led a six year crusade in order to try and stop perceived animal cruelty at Huntington life science (HLS) in Cambridge U.K. They falsely cl... More..
Sciences > Medical Technology Would you be willing to take advantage of genetic screening/engineering to overcome sterility and guarantee a child free of genetic diseases?: 5 of 12
Genetic Screening. Genetic screening is the screening/testing of blood and other tissues to identify genetic disorders. There are around 1000 different types of these tests available for several purposes such as: the diagnosis of an individual with symptoms, determination of a person's risk of future disease, guidance of med... More..
Pets & Animals > Animal Rights & Issues Alternatives to animal experimentation: 6 of 9
Animal testing is an emotive subject which has been surrounded by controversy and ethical debate since the 17th century. Ethically the question is: does the benefit to humans obtained through animal testing justify the harm it causes to animals? Over the past 30 years or so vast improvements have been made in technology and ... More..
Sciences > Medical Science (Other) When an embryo becomes a human being: 2 of 3
For arguments sake I am going to assume that this statement is referring to a human embryo or else the answer is going to be never. Genetically, legally or morally? Is the next question, and what is the definition of a human being'? The Collins essential English dictionary (2nd edition) defines a human being' as being a man,... More..