There are currently 118 chemical elements on the periodic table. The last one added was oganesson, which was first created by scientists in 2002.

Seven-year-old Robyn wants to know whether scientists will be able to make any more new elements to add to the periodic table, and how they'll do it! He joined our host Eloise to ask biochemist Mark Lorch from the University of Hull in England.

A podcast from The Conversation, the independent not-for-profit news organisation that brings you news and analysis straight from academic experts. Full credits available here.

This season is supported by the University of Southampton in the UK, a world-leading research-intensive university with a global network of international students and campuses in Malaysia and Delhi.

Are you a curious kid with a question? Pop it in an email, or record it and send us the audio to curiouskids@theconversation.com.

Have you noticed that something you find absolutely delicious might taste disgusting to someone else? Well nine-year-old Leo from Wigan in the UK wanted to know why that is – and why our taste for certain foods changes?

Leo joined our host Eloise to put his question to taste researcher Linda Bartoshuk from George Washington University. If you'd like to join in with the experiment in this episode, make sure you have packet of jelly beans or jelly babies to hand!

A podcast from The Conversation, the independent not-for-profit news organisation that brings you news and analysis straight from academic experts. Full credits available here.

This season is supported by the University of Southampton in the UK, a world-leading research-intensive university with a global network of international students and campuses in Malaysia and Delhi.

Are you a curious kid with a question? Pop it in an email, or record it and send us the audio to curiouskids@theconversation.com.

• Curious Kids: how do tongues taste food?
• Why does orange juice taste bad after you brush your teeth?

itA few years ago, 10-year-old Guy was driving along the Australian coast when he saw whales, spouting water up into the air. He was amazed. “Then my brother farted, and then I wondered if whales fart,” says Guy.

Guy joined our host Eloise to put his question to Vanessa Pirotta, a wildlife scientist at Macquarie University in Australia on this episode.

A podcast from The Conversation, the independent not-for-profit news organisation that brings you news and analysis straight from academic experts. Full credits available here.

This season is supported by the University of Southampton in the UK, a world-leading research-intensive university with a global network of international students and campuses in Malaysia and Delhi.

Are you a curious kid with a question? Pop it in an email, or record it and send us the audio to curiouskids@theconversation.com.

• Curious Kids: why do elephants have tusks?
• Curious Kids: which is smarter – a blue whale or an orca?
• Curious Kids: How did some animals evolve wings to fly?
• Curious kids: do whales fart and sneeze?