Alle episoder

Why does my Coke froth up when I add ice? How is an oesophageal stricture treated? Does immunity to other coronaviruses confer immunity to Covid-19? C...

This week, why teenagers can feel moody, what causes restless leg syndrome, fidgeting and obesity, Covid-19 genetic risk factors, whether potatoes can...

What's the best way to avoid mosquito bites, and a suggestion that tomatoes ward the insects off. Also, why cookers heat some parts of pans better tha...

Vitamin D for coronavirus? Narcissism and the brain. Why use big dogs as sniffer dogs? Understanding conversations in noisy places, and why that gets ...

Can omnivores switch their diets to survive on whatever is available? Would a fat person last longer in a famine? How does serology help in the manage...

The virtual reality system for visualising molecules, where Covid-19 came from, what would a brain transplanted individual experience, where did all t...

How a tiny spider can spin so much silk, how the moon's cycle affects human behaviour, the effect of body weight on bone mass, the reason people have ...

Hyenas everywhere in the Kruger, but why so many? How does the human skeleton respond to changing body weight? Why remove and dump a whale carcass whe...

Donald Trump diagnosed with Covid-19, SNP MP Margaret Ferrier takes two trains despite coronavirus infection, and the answers to why toddlers have pot...

Would a baby exposed to 5 languages from birth learn all of them? Toilet bleach: what's best, thick or thin? Are new varieties of fruits equally good ...

How do different tasks recruit different parts of the brain? What's the story of potential life on Venus? How long to boil the perfect egg? What's hom...

What causes new infections, like Covid-19, to emerge in the first place? Why does the same temperature seem to feel colder in the day than it does at ...

Why does sugar get onion smells off my skin? Are aluminium cooking pots harmful to health? Why don't hail stones make holes in leaves? What causes hea...

At what temperature does the new coronavirus survive the best? Is there a tension between science and religion? Are food additives harmful? Why is cov...

Join Dr Chris and 567 CapeTalk's Kieno Kammies to hear why certain sounds make us shudder, whether you should sunbathe in winter, why Donald Trump is ...

This week climate records and snow in Australia. We also explain why reflections in a spoon are upside down? Would an astronaut adrift in space be fri...

How do induction loops in the road control traffic lights? Are there any health threats from 5G masts? Why do we yawn and why are yawns infectious? Wh...

What's happening when your arm or leg goes to sleep? What is the odds that ET exists elsewhere in the Universe? Is there a "right" way to sleep? What ...

Why we love music, the reason that standing on one leg becomes a challenge with age, how bacteria and viruses become drug resistant, how plants swap c...

The science of explosions, including what happens when brake fluid and hypochlorite mix, and what blew up in Beirut, why lemons make you grimace, the ...

How supermarkets ripen fruits and vegetables, how people knew space existed before they went there, whether Covid-19 can infect birds, the advent of s...

Evidence for Russian Covid-19 vaccine espionage, whether minicabs spread coronavirus infection, whether Covid-19 can cling to a library book, how to s...

This week what is special about the word pneumonoultramicroscopicsilicovolcanoconiosis, and, more importantly, what does it mean? Also, how do viruses...

This week, how blood transfusions from individuals who exercise could take decades off the brain ages of recipients, the toenails that refuse to grow,...

This week, the intriguing question of how visible light, but not microwaves, can escape through the grille of a microwave oven, how far Earth and Mars...

What causes phantom limb pain? How does the bladder control when it fills and empties? What the F are food E numbers? Where does medical oxygen come f...

This week, if something could move faster than light, how would we detect its speed? Also, why do we cry, and why do the experiences of others make my...

The UK eases the lockdown... a little bit, what makes our eyes move together, what makes Earth so special when it comes to supporting life, how long d...

This week how birds keep warm in winter, how long to recover from ventilation for Covid-19, when do doctors need to ventilate a patient, seeing your o...

How to sterilise a facemask: will zapping it in a microwave oven, or steaming it over a kettle work? What's the deal with UVC to kill coronaviruses? A...