Fun science for preschoolers. Tristan asks Nina why monkeys eat bananas. After a visit to the zoo, they go on a tree trail. Show more

Fun science for preschoolers. Molly wants to know why fish are slimy, so Nina, Felix and the other neurons take her and her sister to an aquarium to experiment. Show more

Fun science for preschoolers. Hisham wants to find out where rubbish goes. Nina takes him to a landfill site and shows him that recycling is a better option. Show more

Fun science for preschoolers. Matthew asks Nina how to make his tent warm. With the help of the neurons, they discover the best ways to keep cosy.

Fun science for pre-schoolers with Nina. Tyla asks Nina why slugs live in gardens. With some help from Felix and the other Neurons, they do some experimenting.

Fun science for preschoolers. Millie wants to find out why people need to eat, so Nina takes her and her friend shopping and then to her lab.

Fun science for preschoolers. Jennifer wants to know why she can't fly like a bird. Nina tries to answer her question with some experiments and some birdwatching.

Fun science for preschoolers. Amaan has asked Nina why his mum tells him to turn off the tap when he's brushing his teeth. Nina takes him to a reservoir. Show more

Fun science for preschoolers. Shauney asks Nina what trees are for. With Luke and the other Neurons, they try to picture a world without trees.

Fun science for preschoolers. Alyx wants to stop her bread from going mouldy. Nina shows her hairy mould under the microscope and gives her some tips. Show more