08/05/2016 Newsround

Ricky here with your last Newsround of the weekend.

First up, a very happy birthday to Sir David Attenborough,

one the world's most famous wildlife explorers

We've been taking a look back at his epic career.

Even before colour TV, David Attenborough was travelling

around the world to explore remote areas

For more than 60 years now, he has been

bringing back amazing footage of rare animals, plants and insects,

These engaging chicks are so inquisitive

that you only have to sit down to their own level for them all to

gather around you to try and discover what sort of

He is so influential he has 30 honorary degrees, a knighthood,

and even had new species named after him, including a type

of spider, a flesh eating plant and a fossilised fish.

No museum in the world has a complete specimen of this species.

Human beings exterminated it in the middle of the 17th century.

There are a lot of animals today that face

He's used his programmes to tell people about

different animals that need protection from extinction.

Some of his biggest admirers include US President Barack Obama and CBBC's

My earliest memories of Sir David Attenborough were watching his

Zoo Quest series, which was quite a long time ago now.

I instantly thought, that is amazing,

that is what I want to do with my life.

Attenborough often gets up close and personal with the

His unique voice and enthusiastic descriptions are his trademark.

These are greylag geese, the same species that

David Attenborough has changed the way many people see and think

From everyone here at Newsround, a very happy birthday.

Contestants from all over the world were taking part in

the International Tightrope Contest held in East China.

Yes, it's the third International Highline Tight

16 top contestants with nerves of steel.

Walking 400 metres in the air, on a rope, only 25 millilitres wide.

They're not allowed to carry a balancing pole.

The final two contestants raced across the rope trying

His advice to anyone giving this a go, "Don't look down

Now, it's often been said by experts that we know more about the moon

Now, new images reveal a weird and wonderful world two and a half

A new world is being explored by this robot submarine.

The deepest waters on planet Earth revealing

..That even the scientists are surprised by.

Illuminous jellyfish, a sea cucumber,

these images have been streamed live for scientists

It really is a place of wonder and beauty.

have the chance to go through and make sense

of it as scientists later but the

colours, the delivate lifeforms down there.

it is just astounding the intricate wonders that nature has.

It's not just the creatures that are being

Rubbish too has found its way to the bottom of the trench.

The pressure is huge down here and not a lot can survive.

A species that adapted and branched out from sharks nearly

They've remained isolated in the deepest

What new wonders such expeditions will discover any future no one

knows - but one thing is certain, that with project like this,

they will be more accessible for us to see than ever before.

Finally, just time to check out the strangest stories of the week.

First up, the dancing police officers from New Zealand.

They posted this video as part the running man

challenge where people film themselves busting moves

Other police forces have been getting involved,

including these officers from Police Scotland.

Who needs Guitar Hero when you can have this?

More than 7000 guitarists playing a song

And lastly, it's got thrills, it's got spills...

Oh yes, this is the British Lawnmower Championships.

This season has just kicked off in Surrey.

Don't worry, the blades are removed from the mowers

I'd like to see Lewis Hamilton on one of those.