Author: Jen Martin

Do we need vitamin D supplements?

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Health / Medicine / Myths

There’s a lot of hype around vitamin D. We’ve long known it’s essential for healthy bones, but over the last decade it’s been claimed low vitamin D levels are linked to a whole host of other illnesses. How clear are those links and how many of us really need vitamin D supplements? Get some rays Also known as the sunshine vitamin, there are two ways to get vitamin D. The first is the same way […]

What a coincidence!

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Myths / Psychology

We’ve all been floored at some point in our lives by what seems an impossible coincidence. It’s tempting to interpret such improbable, even eerie events, as signs from the Universe. But what can science tell us about coincidences? Are they as rare as we think? What are the chances? Image credit Colton Sturgeon via Unsplash.   She was one in a million, so there’s five more just in New South Wales.   Charlie No. 1 by […]

Why we procrastinate

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Myths / Psychology

It’s Friday afternoon. You’ve known for weeks your final report is due by the end of the day. But somehow you’ve managed to put off working on it until now. And you can’t possibly get it done in time. Sound familiar? According to one researcher, procrastination is ‘a common pulse of humanity’. Why do we procrastinate and how can we stop? Just do it……soon Procrastination is ‘voluntarily delaying an intended course of action despite expecting […]

Food fakes

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Health / Myths

We’re all aware of fake watches, sunglasses and handbags. But what about fake food? Counterfeit food is more common than you might think. Fishy business It’s estimated the fake food industry is worth more than US$40 billion each year. Seafood, coffee and oils are some of the foods most likely to be counterfeited, but it doesn’t end there. You may remember the ‘horsegate’ crisis of 2013 when it was discovered some ‘beef’ for sale in […]

Photos versus memories

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Myths / Psychology

How many photos have you snapped on your phone in the last year? A lot, if you’re anything like most of us. But how well do you remember the actual places and events in the photos? Research suggests you would remember much more if you’d left your phone in your pocket and just enjoyed the moment. Photos, photos everywhere Every day around the world, we take billions of photos. Gone are the days of carefully […]

Counting friends

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Anthropology / Evolution / Myths / Psychology

First: check how many friends you have on Facebook. Next: ask yourself how many of them you consider to be ‘real’ friends? According to Dunbar’s number, we can only maintain about 150 meaningful relationships at one time. And you can probably count your closest friends on one hand. Your social brain Robin Dunbar has spent nearly 50 years studying primates. Back in the 90s, he looked at the relationship between group size and brain size […]

Hearing colours, tasting words

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Genetics / Health / Medicine / Psychology

Imagine every time you hear the word chair, your mouth fills with the taste of strawberries. Or to you, Tuesdays are red and the letter T is male, light blue, trustworthy and loyal. Sound strange? Welcome to the fascinating world of synaesthesia. Blended senses If someone scratches a blackboard with his or her nails, I taste iron. The intro of “Time” by Pink Floyd is golden yellow and blue.   One synaesthete’s experiences Scientists have […]

Number nerves

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Mathematics / Myths / Psychology

Does the thought of a maths test bring you out in a cold sweat? Maths anxiety is real. But why do so many people find maths stressful, and what can we do about it? Not a maths person Imagine you’re sitting in a classroom, about to take a mathematics test. How do you feel? Stressed? Tense? Nervous? Wishing you could escape? Sounds like maths anxiety. If you’re not sure, you can take a maths anxiety […]

How doors make us forget

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Myths / Psychology

You’ve just walked into a room with a clear purpose in mind. Except now you can’t remember what it was you set out to do. Is it just your imagination, or does walking into a different room make you forget? Memories We all forget things. And most of us have had the experience of walking into a room and feeling confused. Maybe you’ve just gone into the kitchen to find your keys, but by the time […]

A cosmic perspective

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Astronomy / Psychology

“Something happens to you out there” said Apollo 14 pilot Edgar Mitchell. “We went to the moon as technicians; we returned as humanitarians”. Astronauts who have seen the Earth from space come back describing a major shift in how they see the world and their place in it. Is there any way for the rest of us to experience the same transformation? The pale blue dot Exactly 28 years ago today, the Voyager 1 Spacecraft […]