Science, Nature and Tech

Is The Great Wall of China Visible from Space?

The idea that the Great Wall of China can be seen from space has been around since at least 1938 and is still popular today. It certainly seems plausible that such a large, linear structure would stand out from the surrounding landscape, but it’s actually not true.

Alan Bean, the fourth man to walk on the moon, said in 1969

“The only thing you can see from the moon is a beautiful sphere, mostly white, some blue and patches of yellow, and every once in a while some green vegetation. No man-made object is visible at this scale.”

But if you can’t see the Wall from the moon, how about somewhere closer to Earth? The International Space Station (ISS) maintains a low earth orbit of between 330-435 km above our planet’s surface.

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Home, Health & Style

How Much Sleep Do Kids Need?

Julianne Robertson investigates the world of snoozes, forty winks, cat naps and snoring. What is SLEEP, why do we need it, and how much sleep do kids need?

 

A couple of nights ago I was feeling really, really tired, so I went to bed early.  I slept soundly, without even dreaming, until about 5am, when I woke up.  It felt like I’d only been sleeping for about 5 minutes!  After that, I fell back to sleep but had lots of vivid dreams and when I woke up a couple of hours later, it felt like I’d been asleep for a long time.  After all that I still felt well-rested and was ready for the day.

All this made me wonder – what IS sleep?  Why is it that some nights we feel like we’ve had a really good nights’ sleep, while other nights we still feel tired when we wake up in the morning?  Here’s what I’ve discovered about sleep…

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Science, Nature and Tech

Water and Engineering – Water, Wonderful Life

water and engineering

Dr Lesley Beeton is a scientist, who studies what the DNA code tells us about human life and health. She has always loved science, and believes that science doesn’t just happen in laboratories. It happens all around us. Science keeps aeroplanes flying, electricity flowing, and the internet speedy.
Dr Beeton  grew up in South Africa. Some of you may have traveled there for your holidays, to see the game reserves or Table Mountain. But even if you haven’t been there, we can all still learn something from the experiences of southern Africa.

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Home, Health & Style, Sports

Kymberlee Jay – Professional dancer and Remarkable Woman!

Award winning choreographer and dancer specialising in underground styles including street dance, Kymberlee Jay has 21 years of experience and has  worked with a variety of companies and clients including Nike and Madonna. What makes her unique?  She’s self taught and prefers masculine hip hop moves – beating the boys at their own game!
Remarkable Women connected by Nokia is a celebration of 50 women who are true ‘Unfollowers.’ These Remarkable Women are challenging normal conventions, bravely being different and inspiring others.

What made you agree to be part of the Remarkable Women campaign, and what do you hope to achieve with your involvement?

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