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Friday 7th July 2006 Issue: 51

Feelin’ hot, hot, hot? Summer’s here all right! So let’s see what’s sizzling on the Wired Up barbeque today…

  1. The Wire – Space shuttle Discovery docks
  2. Planet Picks – the July Jaunt Quiz.  Where are we going? You don’t say!
  3. Up for Grabs – Family pass to Techniquest
  4. Web Watch – Tennis and football, what’s it all about?
  5. Try This! – Strawberry and banana smoothie – more please!
  6. Winners – Flipside magazines
1. The Wire  – Science news straight to your Inbox…

The space shuttle Discovery has docked with the International Space Station (ISS), two days after blasting off. Discovery and the shuttle are now orbiting the planet together, 213 miles above the Earth.

Before it docked Discovery performed the difficult task of backflipping to let people on the ISS take photos of the bottom of the shuttle. Does my bottom look big in this? They were checking to make sure that the shuttle wasn't damaged when it took off and it is safe to return too. The crew used cameras and a special laser to check if the shuttle was damaged at all during its launch on Tuesday and found no major problems.

One of the astronauts on board the shuttle, Thomas Reiter, is going to live on the ISS for six months. The mission is only the second since another shuttle, Columbia, exploded during its return to Earth. Columbia was destroyed when really hot gas got into a wing that was damaged by falling foam during take-off.

Discovery is on a 12-day mission to deliver new supplies to the ISS.

If you’d like an animated guide to the International Space Station click here.

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2. Planet Picks – News from the world of Planet Science…

Been on your holidays yet? Why not hop aboard the July Jaunt Quiz. Get all the questions right and you go into the draw for three inflatable mucking around on the beach kits.  We’re all going on a – summer holiday! Sing up at the back of the bus! We can’t hear you!

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3. Gear for Grabs – You’ve got to be in it to win it...

If your holiday destination is glorious Wales then don’t forget to pay Cardiff a visit. Techniquest is a science discovery centre, designed to engage people of all ages in science through interactive exhibits and live demonstrations. 160 hands-on exhibits - we kid you not! For more information see this.

And this week we have a family pass to give away! Hooray! So if you’d like to win it then email us your name, age and address to: wired-up.news@nesta.org.uk with ‘TECHNIQUEST’ as the subject. The winner will be picked at random at 5pm, on Thursday 20 July.

Good luck!

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4. Web Watch – Don’t surf the Internet alone…

Wimbledon is in full flow and all we can hear is the gentle nuk! nuk! of tennis balls flying across gardens all over the UK.  What is it about this sport that makes us all want to have a go? What is so special about the ball itself? Tennis balls are made of two pieces of rubber cemented together. They are then covered with fabric, usually wool or synthetic felt. The seams between the two pieces are exposed but are covered with elastic sealant.

When players inspect a ball prior to serving they are looking at the fabric to see whether it is showing any signs of wear and tear. If it has become worn and fluffed up that will slow the ball down.  After two years of testing, a new ball has now been approved which could slow down tennis and make it more exciting to watch. The ball is put together in exactly the same way as the current one, but is 6% larger in diameter. The new ball flies off the racket at the same speed as the current ball. But because it is larger, it is slowed down more by drag force as it travels. The bigger ball gives the receiver 10% more reaction time in which to return serve.

For more info on the science of tennis.

In the meantime if you want to discover the secrets of the tennis serve then click here.

Alas for football!  If only that metatarsal had kept its temper eh? But never mind toes; let’s think about fingers. Good footballers must have something in their genes. Researchers have discovered a link between the length of a footballer's ring finger and their ability as a player. They measured the difference in length between the ring and index fingers of top players. Players whose ring fingers were longer compared to their index fingers were more likely to be elite players. Some of the players found to have long ring fingers are Bryan Robson, Glenn Hoddle, Sir Stanley Matthews and Gazza.  Perhaps we need to have a squint at Ronaldhino and Zidane while we’re at it! There might be a sensible explanation for this finding. When a male foetus is between eight and twelve weeks old, certain parts of his body become sensitive to the hormone testosterone. The heart, lungs and brain are all affected and so are the fingers. It seems that fingers, although they don't help a footballer in any major way, are an indicator of how much testosterone they received at this crucial stage of development. This might increase their strength and spatial awareness.  All around the world people are now studying their fingers….  Sorry but being a great football player will take more than that! Skill, determination, practice blah…blah…

The science of football.

All that talk of tennis has made us thirsty.  And what better than a nice healthy strawberry smoothie?

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5. Try This! – Science experiments for you to try at home...

Banana and Strawberry Smoothie

If you are looking to get your ‘five fruits and vegetables a day’ quota up then this smoothie is a must.  It’s packed full of fruit and goodness. Strawberries are a good source of vitamin C and also vitamin A. They are also a good source of the minerals calcium, potassium and phosphorus.  Plus they taste yummy!

For two people you will need:

  • 2 peeled bananas
  • 10 washed strawberries
  • 10oz of low-fat yoghurt
  • A tablespoon of honey
  • Half a cup of ice

What to do:

  1. Cut up the fruit and place all the ingredients into a blender until the mixture is smooth.
  2. Poor into a cool flask and serve in a plastic cup with a straw.

Tip: If you don’t like strawberries then try pineapple and orange instead. If you haven’t got any yoghurt or honey then you can make smoothies with milk.

What’s happening?

To a botanist strawberries aren’t berries at all. Technically, they are considered a “false” fruit. “True” fruits, like pears and blueberries, are a plant’s ovaries and solely consist of seed(s) inside a fleshy ovary wall. The strawberry, by contrast, misbehaves by growing an enlarged flower base with its fruits defiantly stuck to the outside. The little tike! What looks like its seeds are in fact dried, miniature fruits called “achenes”, bearing miniscule seeds inside. As the flower base swells during ripening, its cells pull apart from one another and the space fills up with tiny air pockets. This air pressure maintains a strawberry’s shape, and if it’s released, e.g. by freezing, the cell walls rupture and you end up with … mush. Hmmmmmm. That’s put me right off my smoothie.

The Romans were wild about strawberries and used them medicinally for a wide range of conditions, including infections, fever, kidney stones, inflammatory conditions such as gout, as well as blood and liver disease. Good grief!  Imagine that? It would make prescribing medicines so much easier. However, modern nutritional science has provided research that supports the strawberry’s health-giving properties. They contain more vitamin C than oranges: eight a day will give you all you need. Meanwhile, their high content of pectin, a soluble fibre, keeps your cholesterol in check and its cocktail of natural antioxidants protects against heart and circulatory disease.

For more fabulous recipes and strawberry info, visit the BBC’s food website.

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6. Winners – Has your name been picked out of the bag?

Remember issue no. 49? We were giving away FIVE copies of the latest Flipside magazine?  We knew you wouldn’t be able to resist it! The lucky winners are Sandra Blickett from Epsom, Eve and Karla Cook (9) from Lichfield, Alex White (14) from Andover, Mrs G Whitmell from Northumberland, Rachael Fletcher (13) from Bury St Edmunds. Well done everybody!

So keep entering – you never know! Next time - it could be YOU…

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THAT’S ALL FOR NOW

Got Wired-Up? Got clued up!

Don’t forget that Wired-Up will be hitting your inboxes every fortnight from now on, but in the meantime, send any questions, comments, jokes or experiment ideas to: wired-up.news@nesta.org.uk

If you would like to see any past Wired newsletters check out the archive page.

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