Category Archives: Science

Poor lifestyle choices can be passed onto future generations through DNA

New research has shown for the first time that traces of our poor lifestyles, environmental stressors and trauma can be passed down to future generations through our DNA, potentially making our children more prone to conditions such as mental illness … Continue reading

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Scientists have figured out how to pit viruses against superbugs

As infectious bacteria become increasingly resistant to antibiotics, researchers are looking for new ways to combat the so-called ‘superbugs’ that are predicted to kill 300 million people by 2050 if we don’t find a solution. And now a team of microbiologists … Continue reading

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The truth about toilet swirls

It’s the old question – does the water go down the toilet the same way in the northern and southern hemispheres? Well Destin from Smarter Every Day and Derek from Veritasium have come up with a novel way to explain … Continue reading

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How many moons does Earth have?

Claims of the existence of other moons of Earth—that is, of one or more natural satellites other than the Moon that orbit Earth—have existed for some time. Several candidates have been proposed, but none has been confirmed. The 19th and … Continue reading

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The Scale of the Universe

Scale of the Universe

Click on the picture above then press ‘Start’ . Move the slider at the bottom to the left or right to zoom in or out of the known universe. Happy travelling – Deskarati – BTW as this graphic is a … Continue reading

Posted in Biology, Chemistry, Cosmology, Physics, Science | 2 Comments

Cell Size and Scale

scale of cells

Thanks to Phil Krause for suggesting this post. Click on the picture above then move the slider at the bottom to the left or right to zoom in or out. – Deskarati.

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Why Do Viruses Kill

Thanks to Phil Krause

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This ‘Lucky Iron Fish’ is halving instances of anaemia in Cambodia

Anaemia is the most common and widespread nutritional disorders in the world, affecting 2 billion people globally – or over 30 percent of the world’s population. But Canadian scientists have come up with an ingenius solution, and it’s so simple, … Continue reading

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Rockfall

rockfall

Like most scientists, geologists are classifiers. We break all sorts of features into different groups based on their properties; soils, weather patterns, volcanoes, you name it we can classify it. This image is a particular type of a mass movement … Continue reading

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Why Physicists Love Super Balls – the coefficient of restitution

Super Balls are toys beloved by children because of their extraordinary ability to bounce. Physicists love them for exactly the same reason. Drop a baseball on the floor and it will hardly bounce at all. Drop a Super Ball from … Continue reading

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Quarter of skin cells ‘on road to cancer’

More than a quarter of a middle-aged person’s skin may have already made the first steps towards cancer, a study suggests. Analysis of samples from 55- to 73-year-olds found more than 100 DNA mutations linked to cancer in every 1 … Continue reading

Posted in Biology, Human Body | 1 Comment

Flickering candle flame contains ‘millions of tiny diamonds that are created and disappear’

Thanks to Phil Krause for suggesting this post As if a candlelit dinner wasn’t romantic enough. Scientists have shown that a flickering flame is studded with millions of tiny diamonds. Roughly 1.5million of the twinkling gems are created every second. … Continue reading

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Real Time Red Blood Cell Cycle

Blood Cell Cycle

An animation of a typical human red blood cell cycle in the circulatory system. This animation occurs at real time (20 seconds of cycle) and shows the red blood cell deform as it enters capillaries, as well as changing color … Continue reading

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Nature vs. nurture results in a draw, according to twins meta-study

Jims Twin

One of the great tussles of science – whether our health is governed by nature or nurture – has been settled, and it is effectively a draw. University of Queensland researcher Dr Beben Benyamin from the Queensland Brain Institute collaborated … Continue reading

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The truth about poo: we’re doing it wrong

In my large Italian family, I grew up with the subject of poo, bottoms and constipation readily – and far too frequently – discussed at the dinner table. I’d be about to raise a raviolo to my mouth, only to … Continue reading

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Meet the man whose blood may hold the secret to curing HIV

Kai Brothers has been living with HIV for the past 30 years, having contracted the disease at 19 years-old in San Francisco. Had a blood bank not asked him to come in for a test, he wouldn’t have even known … Continue reading

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Scientists have found a way to switch on a dormant gene in human red blood cells

Scientists from the University of New South Wales (UNSW) in Australia have used a world-first technique to change a single letter of DNA in human red blood cells, triggering them to produce more oxygen-carrying haemoglobin. The technique could lead to … Continue reading

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The Australian Opal

opal

On the 1st of February 1915, 14-year-old Willie Hutchinson was searching for water in the Australian Outback. Suddenly the boy came across small white glimmering stones, unlike anything he’d seen before. Willie had just discovered what would become Coober Pedy, … Continue reading

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How Viruses Hide Inside Your Eyeballs, Even When You’re No Longer Sick

Last week brought the horrifying news that the Ebola virus can live in the eyeballs of survivors, even after it’s been eliminated from the rest of the body. It shouldn’t have been a surprise, though. Viruses have always hidden in … Continue reading

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Dynamics of a Volvox Embryo Turning Itself Inside Out

Deformations of cell sheets are ubiquitous in early animal development, often arising from a complex and poorly understood interplay of cell shape changes, division, and migration. Here, we explore perhaps the simplest example of cell sheet folding: the “inversion” process … Continue reading

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