'Fossil' biscuits

You can use any fossil or dinosaur toys, just make sure they are clean. Use your own favourite biscuit recipe, or try this one.

You will need

  • 115g butter
  • 55g caster sugar
  • few drops of vanilla extract
  • 150g plain flour
  • 25g cornflour

Mix the butter, sugar and vanilla extract until just evenly mixed. Stir in the flour and cornflour. Roll into a log, wrap in cling film and chill for 30 mins.

Bag of bones

It is really unusual for a palaeontologist (scientist who study fossils) to find a complete skeleton with all the bones in the right place. We are more likely to find only a few bones or a jumbled up skeleton.

Putting a skeleton back to together when you know what the animal looks like can be a challenge, but imagine how hard that becomes when there are no more of those creatures alive for you look at. It is a bit like trying to put a jigsaw puzzle together when you don’t have the photo on the box as a guide.

Bouncy 'sea urchin' egg

How does burning fossil fuels threaten Antarctic marine life?

This experiment demonstrates the link between increasing carbon dioxide levels and ocean acidification and freshening oceans. Freshwater and more acidic water in the oceans make life harder for Antarctica’s marine animals.

The experiment and video were made by Nick Barrett. Nick is a PhD student at the University of Cambridge Earth Science Department and The British Antarctic Survey investigating the resistance of Antarctic marine species to predicted freshening and lower salinity in the Southern Ocean.