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Do fat people have more blood than thin people?

“… or is the extra mass just fat/fluid?” I guess it’s not very politically correct to call people ‘fat’ – so we’ll rephrase… [more]

Makin’ the news… Announcing a New Guru!

Dr Simon Makin has been writing and contributing to Guru Magazine for some time now. Tirelessly churning out great articles for Guru, we are… [more]

Why do we sleep talk?

I sleep talk every night. Is there a reason for this? I don’t often remember what I dream about but it does sometimes wake me up. My other… [more]

How will they protect Mars astronauts from harmful cosmic radiation?

For a long-haul manned space mission like a trip to Mars, a serious risk that will be faced by astronauts is the sudden bursts of enhanced radiation… [more]

Is there such a thing as Dog ADHD?

That’s a really great question. Some veterinarians will say yes and others will say no, so the jury is still out. For those on the “yay”… [more]

Why do Dock leaves cure nettle stings?

As every Boy Scout worth his badges knows, when you have been stung by nettles, you should rub the affected area with Dock leaves. This handy… [more]

If the World Wars hadn’t happened, would today’s technology be less advanced?

"Wars advance technology, so if WW1 and WW2 hadn't happened, what stage would our gadgets now be at? Would we have iPads, etc by 2013 or would… [more]

Why do police officers and doctors keep looking younger?

“Why do people in their 20s and 30s mostly look like children when we get older - and when did they lower the age to 12 to be a police officer?” I… [more]

Guacamole I made yesterday has turned brown! Is it safe to eat?

Fret not – guacamole isn’t unsafe just because it has turned brown. Your culinary creation has turned brown as part of an avocado’s normal… [more]

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BODY QUESTIONS →

Do fat people have more blood than thin people?

“… or is the extra mass just fat/fluid?” I guess it’s not very politically correct to call people ‘fat’ – so we’ll rephrase your question in more technical terms: “Does blood volume increase with body fat?” It’s a good question – and the answer is yes. Here’s why: Every cell in your body – every [...]

SCIENCE →

If the World Wars hadn’t happened, would today’s technology be less advanced?

“Wars advance technology, so if WW1 and WW2 hadn’t happened, what stage would our gadgets now be at? Would we have iPads, etc by 2013 or would we only just be getting BBC micros?” Question from Dave Gray via Facebook That’s a deep question that is deserving of a good answer. Here are two – [...]

NEWS →

Makin’ the news… Announcing a New Guru!

Dr Simon Makin has been writing and contributing to Guru Magazine for some time now. Tirelessly churning out great articles for Guru, we are delighted to welcome him as the latest member of the team. He has a particular passion for covering the latest science and technological discoveries and is the lead reporter in the [...]

HEALTH →

Does gargling salt water really help a sore throat?

“Does gargling with salty water really do any good for a sore throat, and how? Can the salt, or effects of osmosis, damage healthy throat cells too…?” This is a great question. Let’s start at the beginning: why does your through hurt? Well, if you have a cold or the flu (a viral infection) it [...]

MIND & BRAIN →

Why do we sleep talk?

I sleep talk every night. Is there a reason for this? I don’t often remember what I dream about but it does sometimes wake me up. My other half is also being bothered by my “habit”. Is there anything I can do to help me become a “quiet” sleeper? Yes, there is a reason for [...]

NATURE AND ENVIRONMENT →

Why do Dock leaves cure nettle stings?

As every Boy Scout worth his badges knows, when you have been stung by nettles, you should rub the affected area with Dock leaves. This handy cure is well known, but the explanation is not fully understood. Initially, it had been thought that the pain relief depended on neutralising the toxin. The stinging hairs of [...]

ASK A GURU! →

Is there such a thing as Dog ADHD?

That’s a really great question. Some veterinarians will say yes and others will say no, so the jury is still out. For those on the “yay” side of the debate, ‘Hyper Syndrome’ in dogs is the most similar condition we have in veterinary medicine to human ADHD. As in ADHD for humans, we are still [...]