full episodes downton abbey

In the central Australian desert, two famous tourist attractions were created by flowing water in the remains of an ancient seafloor. Rob and Deane explore Standley Chasm and Simpson's Gap near Alice Springs, and reveal the formation of these natural marvels.

This story that Rob has found in the paper seems impossible - what do you think?

This story that Rob has found in the paper seems impossible - what do you think?

Deane shows how to make a cardboard giraffe with a sliding neck - to measure the height of a growing child. It,s fun to make and attach to the bedroom wall.

A match pushed through a hole in a board magically jumps to another one. As Rob shows, it is an easy trick to set up.

Waxwork flowers were once extremely fashionable. Not many people do them now, but Rob shows how to make simple wax flowers with a candle - and takes a quick look at some vegetable creatures!

Deane and Rob estimate the number of nails in a wooden house and the number of hairs on the head.

Deane presents puzzles which require viewers to fold and wrap pictures in the mind.

Deane and Rob solve some more mystery letter puzzles.

Bone is one of nature's most impressive materials; hard and strong but tough and flexible and, as Rob explains, the architecture of the hidden core of bones reveals a lot about the animals from which they come.

Can there be such a thing as frothy rock? Rob explains how it is formed under the sea by volcanos, trapping so much steam and volcanic gas that it floats

Welcome to Curiosity Show YouTube Channel. We will be uploading more segments on a regular basis, and you'll find them grouped in different playlists, so we hope you find something to interest you - and lots to make and do. Rob and Deane

Vertebrates can look very different but, as Rob reveals, their skeletons all have the same basic form. It can be intriguing to see how those bones are arranges in different feet, wings and flippers.

Astronauts far from the Earth are so little challenged by gravity that they can float, but Rob asks, what happens as you go in to the centre of the Earth - do you get heavier?

Lithography was an old method of printing using lithographic stone and the fact that water and wax don't mix. Rob shows how it works, and how you can try it yourself with an unglazed tile, a crayon and food colouring.