Naked Scientists Question of the Week

Question of the Week

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...
English United Kingdom Science
573 Episodes
1 – 20

Can a dog and a fox produce viable offspring?

Girts sends a question about which animals can mate to produce viable offspring. How is it that different breeds of dogs can come together to produce puppies, but add a different animal into the equation and you don't get the same result? Like this podcast? Please help us by supporting…
15 Aug 7 min

How are our cells different at the genetic level?

Jon wants to know, how do the cells in the human body, in all their variety, differ at the genetic level? James Tytko took his query on... Like this podcast? Please help us by supporting the Naked Scientists
31 Jul 5 min

Will AI help to reduce environmental harms?

Geoff has written in asking whether AI will offset its vast energy appetite by facilitating environmentally conscious initiatives. James Tytko took on the challenge of finding out, with help from researchers at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
24 Jul 8 min

Can nuclear reactors power Mars missions and our towns?

Laurie writes in, wanting to know whether the nuclear reactions which power Mars rovers means small nuclear reactors could power our towns and cities. Diving into this atomic adventure, James Tytko sought help from research associate at the energy policy group at Cambridge University, Simon Taylor... Like this podcast? Please…
18 Jul 6 min

How do you catch Lyme disease?

Leonard is asking how one acquires Lyme disease, and how doctors diagnose it. James Tytko asked Jack Lambert, Professor and Consultant in Infectious Diseases at Mater Misericordiae University Hospital, for help to find an answer. Like this podcast? Please help us by supporting the Naked Scientists
11 Jul 5 min

Will green technology stop climate change?

Simon wants to know, since we saw a dip in greenhouse gas emissions during the pandemic, why haven't we seen climate change slow down? Is green technology part of the problem? James Tytko took on his question with the help of Shaun Fitzgerald, Director of the Centre for Climate Repair…
3 Jul 3 min

Why do clouds move in a different direction to the wind?

When Tony is cycling around, he notices that the clouds above him are not always moving in the same direction as he feels the wind blowing him down on the ground. Why might this be? James Tytko took on the question with help from Paul Williams, Professor of Atmospheric Science…
20 Jun 5 min

Do photons have a size?

Donald wants to know, 'how big is a photon?' Marushka Soobben took on his query with help from Ben Allanach, professor of theoretical physics at the University of Cambridge... Like this podcast? Please help us by supporting the Naked Scientists
12 Jun 5 min

How much brain capacity do our senses take up?

David wants to know, 'How much do the senses take up in brain capacity and what sense occupies the largest part of the brain (I would guess it would be sight?)' James Tytko took on his query with help from Holly Bridge, professor of neuroscience at the University of Oxford…
6 Jun 5 min

Do lower oxygen levels in planes contribute to jet lag?

This time on Question of the Week, Mark wants to know what effect lower levels of oxygen in aeroplanes might have on how we feel after a flight, and what impact the smoking ban might have had. As a follow up, he wonders about jet lag and whether it's possible…
30 May 6 min

Why hasn't light from the earliest galaxies gone past us?

Darren wants to know, 'Why can we see the light from the first galaxies. Why hasn't that light already passed us if it is from so long ago when the universe was smaller.' Strap in for a mind bending journey across the universe with James Tytko and Daniel Whiteson, Professor…
23 May 4 min

What happens when you are injected with your own stem cells?

Joao wants to know what happens when stem cells of our own, which have been cultivated outside the body, are reintroduced to the bloodstream. This got James Tytko thinking about autologous stem cell transplants, used as a treatment for some forms of blood cancer. He asked Tania Dexter, haematology registrar,…
16 May 5 min

How would the world differ if we rotated the landmass?

Will wants to know what the implications would be for our world if the landmass was rotated 90 degrees, so current day Mexico was nearer the South Pole. Trying to wrap his head round all of the possible implications, James Tytko enlisted Dr Alex Farnsworth, Senior Research Associate from the…
9 May 6 min

How would an AI converse with another AI?

Brian wants to know, if 2 AI's were to have a conversation with one another, what would they talk about? James Tytko put this query to the test, and asked Mike Pound, professor of computer vision at the University of Nottingham, to help make sense of it all... Like this…
2 May 5 min

How do some animals understand human commands?

Kiran wants to know how animals like dogs are able to follow commands from humans. James Tytko asked Nicky Clayton, Professor of Comparative Cognition at the University of Cambridge, to help with the answer... Like this podcast? Please help us by supporting the Naked Scientists
18 Apr 5 min

How do animals adapt to a changing magnetic field?

Alan writes in, acknowledging that many animals use the Earth's magnetic field for navigation purposes. Given the shifts in poles and field intensity we experience due to convection currents in the Earth's core, how do they stay on course? James Tytko asked Miriam Liedvogel, professor of ornithology, to help find…
11 Apr 5 min

Do we know what the Wow! signal was?

In 1977, astronomer Jerry Ehman detected a narrowband radio signal, far stronger than any that have been recorded before or since, using Ohio State University's Big Ear telescope as it was pointing in the direction of the Saggitarius constellation. Listener to the show, Donald, wants to know if any consensus…
4 Apr 4 min

Should elderly people use trampolines?

Thanks to John Travers for the answer!Listener Francisco asked: I have been told that jumping on a trampoline is healthy for humans. It is considered as a good exercise; and also to better coordinate brain and body. I am 73 and wonder whether it is advisable for me to jump…
27 Mar 4 min
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