Beschikbare afleveringen

• Why do we itch?

  Why do we feel itchy? So many listeners have emailed in with questions about itchiness, and presenter Anand Jagatia on the case. We explore why we itch, the different types of itch, the different causes, and why scratching can help...

  15 mei 2026 1588 sec.

• How come sea levels are rising faster in some places than others?

  As our oceans warm due to climate change, sea levels are rising. It ought to be straightforward – as water gets warmer, it increases in volume. All the world’s oceans are connected, so how come sea levels are rising at different rates...

  8 mei 2026 1884 sec.

• Why can't I recognise faces?

  CrowdScience listener Jeroen finds it hard to remember people's faces - and he wants to know why. He wonders if it's to do with getting older and if there’s any way of improving. Presenter Caroline Steel has the same problem and is...

  1 mei 2026 1588 sec.

• Do animals hold funerals?

  CrowdScience listeners Dougie and Molly have been wondering what happens to animals when they die, and whether there are animals that hold rituals to mark the passing of one of their kin. Presenter Caroline Steel is on the case,...

  24 apr 2026 1588 sec.

• Why does salt taste so good?

  Salt can be found in almost every kitchen in the world. But how did this seemingly simple ingredient become the world's favourite flavour enhancer? This week, Crowdscience sets out to uncover why these tiny crystals have such a...

  17 apr 2026 1588 sec.

• When will the next super-volcano erupt?

  Is the world sitting on a ticking time bomb? CrowdScience listener Christel recently watched a documentary about a volcanic eruption in 536 AD that left her native Sweden under a cloud of ash for three years. It got her thinking, do we...

  10 apr 2026 1745 sec.

• Will rabbits become super predators?

  Listener Bart in Australia sees invasive species in his area almost every day – rabbits, foxes, and cats. They were transplanted to Australia from Europe more than 100 years ago, but seem to be thriving in their new home. This got...

  3 apr 2026 1588 sec.

• Could AI present CrowdScience?

  CrowdScience listener Po wants to know whether AI could one day replace all human jobs. And while he requests that CrowdScience continues to be hosted by people, it made presenters Caroline Steel and Anand Jagatia wonder – could an AI...

  27 mrt 2026 1589 sec.

• Can I unlock my car using my head?

  CrowdScience listener Doug has been experimenting with holding his wireless garage key to his chin. Why? Because he's testing a strange trick of physics. The range of a key can apparently double when held against your head rather just...

  20 mrt 2026 1588 sec.

• Can I really manifest the future?

  CrowdScience listener Kassy in India wants to know if there’s any science to support the practice of ‘manifesting’ – the idea that you can make your wishes come true just by writing down your goals and sending your dreams out to the...

  13 mrt 2026 1588 sec.

• What keeps the universe in balance?

  CrowdScience listener Ndanusa in Ghana, is gazing up at the stars, and wondering. Big philosophical questions, like… what keeps our universe in balance? From our perspective here on earth, the universe seems like a vast, harmonious...

  6 mrt 2026 1865 sec.

• How can we save the Great Barrier Reef?

  Australia’s Great Barrier Reef is one of the richest and most complex natural ecosystems on earth, and it’s home to over 600 species of coral – marine animals that are most closely related to jellyfish. But the coral is under threat,...

  27 feb 2026 1588 sec.