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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.

How Dogs Use Their Nose to See and Understand the World

Ever wonder if dogs actually know or have a mental picture of the things they smell? Scientists say they likely do. It's been said, studied...

Labrador Life Expectancy Through Color: Chocolate Labs Are Less Healthy than...

The color of their fur is not the actual problem. Rather, it's how they are bred that might be harmful to these animals' genes....

Dogs Love You More When You Smile, Science Says

Apparently, your smile has a bewitching effect on your dog and a dog's brain lights up actively when they see you flash that happy...

8 Ways How Dogs Are Similar to People (Based on Brain...

You probably wonder sometimes what thoughts are going through your pup's head. Do you know what are dogs really thinking about? It’s a question...

New Study Explains Detection Dog Errors in Sniffing Poop

Did you know that there are dogs working to specifically save wildlife? They’ve been helping conservation sites in over two decades now, and a...

Raw Diets for Dogs Have Health Benefits, New Study Suggests

There’s a never-ending debate about the nutritional benefits and dangers of raw food for dogs, but a new study has finally added another point...

New DNA Test Finds Answers to Why Siberian Huskies Have Blue...

Scientists from Embark Veterinary might have finally determined the answer to why Siberian Huskies have blue eyes. Following a DNA test of 6,070 dogs,...

Kids Who Grow Up With Dogs Have Lower Asthma Risks

Research confirms how having a dog in the family with kids has many health benefits for children, particularly those with asthma. Kids who grow up...

Humans Have Superior Brains, But Dogs Think More Rationally

Who would've thought that it’s apparently in the dog’s nature to be rational? And how exactly does our dogs' rationality manifests itself? Researchers have...

Study: How Dogs Developed Such Good Sense of Smell

Scientists have discovered more clues as to why dogs have significantly more sensitive noses than humans and how their sense of smell developed. From the...

Do Dogs Really Know How to Tell Time?

Though they cannot read numbers or understand how the clock works, dogs have the amazing gift to tell time almost accurately. We see our dogs...

Friendly Dogs Likely Have Similar DNA Disorders as Humans with Williams...

Why are dogs so friendly? The answer might lie in a genetic anomaly, which evolution may have changed, scientists say. "Some of these structural variants...

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Dry Eyes in Dogs - Science-based Guide

Dry Eyes in Dogs: Causes, Symptoms and Treatment

Dry eyes in dogs, known as Keratoconjunctivitis sicca (KCS), is a highly common canine eye disease. In North America, reported annual rates of this...
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Best Dog Products of 2019: My Top 10 Favorite Items

I reviewed hundreds of dog products this year. Today I'm rounding up my picks for the Top 10 Best Dog Products of the Year for 2019.
Tomatoes in Home Cooked Dog Food Recipes

Tomatoes in Home Cooked Dog Food Recipes

If you switched to homemade meals and follow our home cooked dog food recipes here on Top Dog Tips, you've probably seen some that...
What Can I Give My Dog For Pain and What To Avoid

What Can I Give My Dog for Pain?

You've noticed that your dog is limping, and suspect that it could be arthritis setting in. You are worried that the dog is in...
Homemade Dog Ear Cleaner

6 Recipes of Homemade Dog Ear Cleaners

For some dogs, one of the most important parts of grooming is cleaning their ears. It reduces the chance of ear infections and removes...
How to Slim Down an Overweight Dog (My 30-Day Diet Plan)

How to Slim Down an Overweight Dog (30-Day Diet Plan)

Dog obesity is a rapidly growing health problem. Obese dogs will suffer from breathing issues, diabetes, arthritis, and joint pain (1). This article discusses the...
Dog Has Swollen Face - 5 Reasons Why and What to Do

Dog Has Swollen Face: 5 Reasons Why and What to Do

Determining the cause of a dog that has a swollen face is a simple process of elimination. Once you work out why the face...
Top 10 Best Dogs for Seniors and How They Benefit the Elderly

10 Best Dogs for Seniors and How They Benefit the Elderly

Depending on the stage of life you're in, there are certain breeds that will fit you, or someone you know, better. The best dogs...
Signs of Rabies in Dogs and Their Three Prominent Stages

10 Signs of Rabies in Dogs and Three Prominent Stages

Rabies is a preventable deadly virus with almost 100% fatal outcome in most cases (1). If your dog becomes infected with rabies, there is...
Reasons Your Dog Drinking a Lot of Water

10 Reasons Your Dog Is Drinking a Lot of Water

If you notice your dog drinking a lot of water, there's a number of reasons what may cause this. Approximate estimates of how much...