Hello Explorer, welcome along. My name's Dan. You join me on a very important mission. We're

searching out some strange secrets lurking through the solar system and beyond. It's time for a

brand new science quest. This is the place we find everything awesome, everything weird,

everything strange,

and a load of deadly things lurking all around the galaxy.

And this week, while they say there's no smoke without fire,

but have you ever wondered why that is?

When you heat wood up, so when you start a fire,

and certainly reaches a certain temperature, which is usually

about 300 degrees, you'll see smoke. And the smoke is a combination of the water and these volatile

organic compounds. Also, we'll try and spot an amphibian who looks just like an alien and you know how you brush your

teeth every morning and every evening because you do don't you for two whole minutes thought so but

have you ever wondered why dentistry is a science although that might not be immediately obvious to some

it's a mixture of science and art and kindness or care.

And being a dentist is not just about teeth, which is a common misconception.

It's all on the way in a brand new science quest.

Let's start with your science in the news.

And an elephant footbone that's been dug up in northern Spain

may be evidence that a troop of war elephants stomped through ancient Europe.

Now, you might have heard of the legend of Hannibal, an old warrior, a leader who,

in 218 BCE, marched elephants through the Alp Mountains in a battle against Rome. Well,

it's always been an idea, a story that's kind of been passed down and passed down, but now

...