This is a podcast from the children's radio station Fun Kids. Listen on DAB digital radio across the UK or online at funkidslive.com.

Welcome to the Fun Kids Science Weekly. Hello. This is the part of your week where we have a look at the most amazing, weird and wonderful things in the universe. Now, my name is Dan.

Thank you so much for giving us a listen.

It's been quite a sad week for science over the last few days.

One of the greatest minds in history, Stephen Hawking.

He died on Wednesday.

So we'll chat to Josh Barker from the National Space Center in Leicester,

all about the incredible impact that he had on science and how he really completely changed the way we look at the universe and what we know about black holes and singularities.

Also, we're finding out how one of the most deadly animals in the world could fit onto your thumbnail and in a set will spin the shout-out wheel in the Fun Kids studio and have a look at who's getting

a hello on the show this week.

First, let's get into it.

Let's travel back in time.

This is from our Age of the Dinosaurs series where we're having a look at what the weather

was like back then.

Travel back in time to the age of the dinosaur.

At the Natural History Museum.

Imagine going back in time, not 100 years, or 1,000 years, but millions of years.

To the age of the dinosaur.

Welcome to the Jurassic period, which existed between 145 and 200 million years ago.

At the start of the Jurassic period, there was just one huge continent called Pangaea.

And with no frozen ice caps, sea levels were much higher than they are today.

And much of the Earth's surface was therefore underwater.

...