What’s your favourite holiday? Christmas? Easter? Or is it Halloween? The day when we let our imaginations run wild and, instead of feeling that we have to prettify, we are encouraged to look as disgusting as possible.
I love Halloween, I love getting dressed up and playing games. I love bobbing for apples and grossing everyone out. Once upon a time we just threw on a sheet with eye holes cut out, those days are long gone. Now we consider our costume choices carefully. We co-ordinate, we plan and we get excited. You don’t need to spend a fortune on fancy costumes though, nor do you need to be an expert face painter. Here are a few ideas to get you started.
Being an expat is not the easiest thing in the world, but it’s certainly is one of the most interesting and enriching experiences one can have. Alexia moved from Athens to London in September 2012, and is still trying to figure out expat life, armed with optimism, patience and lots of enthusiasm. She explains how she finds life… here and there.
Here: I meet new people all the time and develop great friendships with people from all over the world. I’m more open socially than I was back home.
There: Although I miss them terribly, I’m so happy every time I go back home and see my old good friends and my family. Every reunion is filled with lots of hugs and happiness.
Most scientists believe that the Universe began in a Big Bang around 14 billion years ago. The entire Universe was inside a bubble thousands of times smaller than a pinhead, and was hotter and denser than anything we can imagine.
When the explosion called the Big Bang happened, the Universe as we know it was born. In a fraction of a second, the Universe grew from smaller than a single atom to larger than a galaxy. It kept on growing, and is still expanding today.
Now researchers in America think they have found traces left in the sky that prove this that the Big Bang did really happen. It takes the form of a distinctive twist in the oldest light detectable with telescopes. These twists of light are called ‘gravitational waves’ – the effect is a little bit like how waves form on the surface when you drop a big stone in a pond. However, you also have to imagine that the Big Bang formed the pond itself.
The team leading the project, known as BICEP2, has been using a telescope at the South Pole to make detailed observations of a small patch of sky. The aim was to find evidence of ‘inflation’ – the idea that the cosmos grew rapidly in its first trillionth, or trillionth of a trillionth of a second – growing from something unimaginably small to something about the size of a marble.
The leader of the team, Prof John Kovac of the Harvard-Smithsonian Center for Astrophysics said:
“This is opening a window on what we believe to be a new regime of physics – the physics of what happened in the first unbelievably tiny fraction of a second in the Universe.”
Over the coming years, scientists will work hard to investigate every aspect of this discovery. Other experiments will be carried out to see if they can replicate the findings of the American team. If this research is confirmed, it will be one of the greatest scientific discoveries of our time.
EDIT
Dr Sarah Bearchell drew our attention to this video, which explains the concept of gravity and gravitational waves with the help of a towel, an apple and a ping pong ball. Check it out
With poor living conditions and water shortages increasing every year across the world, the question of how to clean water efficiently is becoming ever more important.
Does Everyone Have Clean Water?
When you have clean, safe water available at the turn of a tap it’s very easy to take it for granted. But almost 750 million people don’t have access to clean water; that’s one person from every ten in the world’s population. There are many reasons for this, from poverty to poor management by governments.
But almost 750 million people don’t have access to clean water; that’s one person from every ten in the world’s population. There are many reasons for this, from poverty to poor management by governments.
There are many reasons for this, from poverty to poor management by governments.
