Stacey Meyerdirk Jackson

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100 Must-Read Nonfiction Adventure Books

It’s so interesting to decide how to define adventure, and what we believe should be included in this genre. For some, it requires first-hand …

Books

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ISPs

My Three Favorite Math Puzzles

Math, to me, has always been about puzzles — and I love doing puzzles. As a kid, I used to spend hours doing puzzle books for fun. Even now, when I …

A mathematical colouring book on Kickstarter has raised more than $400,000

Yes, it's a colouring book. And yes, it has raised more than A$400,000 ($310,750) so far on Kickstarter. To be fair to its illustrator, however, it's …

Can You Solve Alcuin's Puzzles?

<i>Here begin the problems to sharpen the young</i> – this is the beginning of a wonderful text believed to have been written by the Carolingian scholar …

Can You Solve The Crossed Ladder Geometry Puzzle?

Can you solve the blue line puzzle? There are two walls-one is 5 units tall, and the other is 3 units tall. There are two ladders, and the ladders …

12 Hiking & Adventure Books Worth Reading

by Austin Campbell February 10, 2016 24 Comments<p>These Books Will Inspire You to Put Them Down and Get Outside<p>At CloudLine, the only thing we like …

5 John Muir Quotes that Will Make You Want to Go Hiking

by Austin Campbell February 02, 2016 1 Comment<p>The Wisdom of Legendary Naturalist John Muir<p>John Muir is one of our outdoor heroes. Without his …

The 17 Equations That Changed The Course of History

Write these ones down.<p>Mathematics is all around us, and it has shaped our understanding of the world in countless ways. In 2013, mathematician and …

Age and shoe size maths trick will amaze you

Basically, by taking your shoe size, multiplying it by 5, adding 50, multiplying that answer by 20, adding 1015 and then subtracting the year you …

The incredible maths trick that works out your age and shoe size (plus how it works)

Can we guess your age and shoe size? This simple maths trick has taken the internet by storm<p>Here’s a simple maths trick your can impress your friends and family with.<p>The 'magical' maths trick which shows how you can determine a person’s age from their shoe size has been widely shared on social …

7 Learning Lessons from My 2015 Appalachian Trail Thru-Hike

Semi-Profound/Insignificant Thoughts from “Dos Equis”<p>I’ve been home for a couple of weeks now, getting ready for the Christmas holidays and slowly …

Time I

Calculus is Not as Hard as you Think

“Everything should be made as simple as possible, but not simpler.”<i> Albert Einstein</i>Our journey begins with a fictitious character whom we shall call …

Mathematics

The Hilbert Hotel: An Infinite Thought Experiment

A classic illustration of the mathematical problem of infinity.<p>It's probably best not to think too hard too often about infinity. No matter that the concept reappears again and again in the real world, from signal processing to quantum field theory to cosmology, infinity isn't intuitive—a number …

Number of digits in n factorial

The other day I ran across the fact that 23! has 23 digits. That made me wonder how often <i>n</i>! has <i>n</i> digits.<p>There can only be a finite number of cases, …

Math Games Madness - Hundreds of fantastic math games!

A good teacher can extend the learning beyond the textbook, beyond the one hour time segment, and beyond the official school day. Games have always …

Mathematics

1 Tutor + 1 Student = Better Math Scores, Less Fear

Math can be as scary as spiders and snakes, at least in the brain of an 8-year-old child. And that early anxiety about dealing with numbers can put a child at a significant disadvantage, not only in school but in negotiating life and a career. Fortunately, a study of third-graders, published this …

Mathematics

Foetal Cells Hide Out in Mum’s Body, But What Do They Do?

A mother’s children will remain part of her long after they leave her body and enter the world. This isn’t just a saying or a metaphor; it’s biological reality. Every foetus sends some of its own cells into its mother. They cross the placenta, travel through her bloodstream, and lodge in various …

Biology

How DNA detectives are helping solve the rise of superbug

DNA sequencing could be the key to quickly and cheaply identifying pathogen strains, as well as tracking routes of transmission and monitoring mutations<p><i>This piece was first published on The Conversation</i><p>It is now 12 years since the first set of genetic instructions in a human was sequenced. Many of …

Microbiology

In science we trust… up to a point

Eminent journals and peer-reviewed academic papers are supposed to convince us of scientific truth. Here’s why we should all be wary…<p>Science is emphatically not a belief system. It doesn’t require faith, and it works: civilisation is built on science working. But it’s a full-time job to keep on top …

Journalism

How to optimise your brain's waste disposal system

New research suggests that body posture during sleep may affect the efficiency of the brain’s self-cleaning process<p>The human brain can be compared to something like a big, bustling city. It has workers, the neurons and glial cells which co-operate with each other to process information; it has …

Neuroscience

Study of Holocaust survivors finds trauma passed on to children's genes

New finding is clear example in humans of the theory of epigenetic inheritance: the idea that environmental factors can affect the genes of your children<p>Ewan Birney: Why I’m sceptical about the idea of genetically inherited trauma<p>Genetic changes stemming from the trauma suffered by Holocaust …

Genetics

Beer: Yeast DNA study reveals the natural history of lager

Scientists use DNA to figure out a lot of useful stuff: whether a drug will work to fight a certain form of cancer, who committed a crime, the ancient history of a fragment of fossilized bone.<p>Now a team led by biologists at the<p>University of Wisconsin-Madisonare putting genetic analysis to work to …

Biology

Do junior doctors cause more deaths?

Newly qualified doctors start work in July and August, so is it a riskier time to go to hospital? Claudia Hammond reviews the evidence.<p>In many parts of the world summer is well on the way, but that means brand new doctors are on the way too. In July hundreds of new doctors start their jobs in …

Radiation Therapy

Why do we intuitively believe we have free will?

Free will experiments may not explain whether we are in charge of our destinies – but they can nevertheless reveal just how little we know about our own minds, says Tom Stafford.<p>It is perhaps the most famous experiment in neuroscience. In 1983, Benjamin Libet sparked controversy with his …

Consciousness

Researchers Found A Way To Erase Memories Of Meth In Mice

A major stepping stone for treating addiction<p>The major hurdle in treating addiction is enabling a person to not return to the abused drug or substance. This has proved extremely difficult for researchers and patients alike, as even with the best rehabilitation therapy and the most supportive …

Research

Did you solve it? Are you smarter than a Japanese schoolchild?

Here are the solutions to the Area Maze puzzles I set earlier today<p>Earlier today I set four Area Maze puzzles. Here’s how you solve them.<p>Area Maze 1<p>Draw this:<p>Line x is (38 + 39)/7 = 77/7 = 11cm<br>• Line y is 11 - 4 = 7cm<br>• Line z = 7 + 3 = 10cm<br>• The missing value is therefore (10 x 6) - 40cm2 = 20cm2<p>Area …

Puzzles

Future criminals can be spotted at nursery school, study suggests

Children's social-emotional skills can indicate future prospects, including whether they will end up in a council falt, researchers find<p>Future criminals and council house tenants can be spotted as early as nursery school, a study suggests.<p>Early social-emotional skills observed in pre-school …

3D Color Images Of The Brain Reveal Its Glorious Unseen Detail

A huge undertaking that could help researchers visualize neurological diseases<p>The human brain remains one of the most mysterious organs in the human body. However, an imaging technique tested on mice brains and developed by a group of researchers including from Harvard, MIT, and Boston University, …