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Samuel Walker, MSc

Samuel Walker, MSc
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Sam has a Master's degree in Engineering Physics and years of experience in writing science reports, scientific research and science content. Being very passionate about animals, he's always looking for opportunities to use his skills and experience in researching and writing about dogs.

Our Dogs’ DNA Carry Cancer Genes from Over 10,000 Years Ago

Today’s American dogs have the DNA of a cancer gene that apparently wiped out the ancient dogs that originally roamed the Americas. The history of...

Dogs Visualize Objects Through Their Powerful Nose, Study Says

Dogs apparently form mental representations of things they smell in their brain as evidenced in a study on professional rescue dogs and family pets. Scientists...

Research Shows Dogs Have Their Favorite Scent – It’s the Owner’s...

Scientists found that dogs experience the feelings of pleasure that in the dog's brain is associated with the owner's scent. A dog's love for its...

Study Shows How Military Veterans with PTSD Benefit from Service Dogs

We suspected this before, but finally there's actual evidence showing that service dogs provide physiological benefits to veterans suffering from post-traumatic stress disorder. The effects of...

Happy or Mad, Your Dog Knows How You Feel, Researchers Say

Dogs are attuned to the reactions of humans more than we thought, and a recent scientific experiment has taught researchers just how much our...

New Study Finds No Evidence That Dogs Can Predict Earthquakes

Most of us heard or read about dogs and other animals behaving oddly before an earthquake, owners often assuming their pets can predict an...

Dogs Like Fatty Food and Cats Want to Carbo-load, Study Finds

We thought that our dogs and cats love high protein meals the best, but new research findings say that is not the case at...

Yes, You’re a Good Boy! Yes You Are!

As it happens, baby-talking your dog is a bonding experience no matter how ridiculous it may make you feel, scientists say. Sometimes the urge to...

The Importance of Studying Dog Genetics and How This Helps Pet...

There’s a booming market for studying dog genetics and here’s what dog owners need to know about it. Some dog lovers believe that dogs behave...

Your Dog Knows You Can’t Resist Those Puppy Eyes, Study Says

Dogs give you the puppy face not just because they want food. They’re actually trying to initiate a communication with you, according to a...

10 Key Differences Between Wolves and Dogs

Wolves are majestic and awe-inspiring creatures just like many domestic dogs can be. While some people believe that dogs are still very similar to...

Scientists Explain Why Some Dogs Are Friendlier Than Others

New study found how oxytocin in dogs affects their friendliness, which can also broaden our understanding of canines bond with humans, and human social...

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When owners bring their dogs to my clinic to deal with worms, they will often ask, can humans get worms from dogs? The simple answer...
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8 Causes of Bloody Diarrhea in Dogs

When your dog has bloody diarrhea, it can be scary knowing that this could be the symptom of a life threatening condition. But, in...
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There are a million and one cooling dog bed brands out there, but which are worth the investment and which are cheap knockoffs with...
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20 Most Dangerous Dogs in the World

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10 Most Reputable Dog Sites

There are plenty of online resources for dog care and health advice, but many of these dog sites are biased by their desire to...

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You never know when you may need the knowledge for care for newborn puppies. In one recent story, a dog whose puppies died before...
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Most pet stores have affordable dog beds but these often look generic or made of poor quality. If you're a little handy with some...
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We all have a friend of a friend whose sister is a vet tech and she says it’s perfectly fine to give to...
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Diabetes is a disease of the endocrine system which manages everything including hormones, metabolism, growth and development in the dog. In the case of...