Alle episoder

This week where methanol comes from in home brewing, 5G and the coronavirus conspiracies, why cut flowers still need water, rice behaving bizarrely in...

Engine efficiency, what happens when the Earth's magnetic field flips, what is a solar minimum, why are some people shorter than others and what cause...

Antibody tests for Covid-19, do mild Covid cases produce as many antibodies as more severe infections, what is covid viral load, where did the water o...

This week, Rasmussen's encephalitis and brain surgery, are packages safe from coronavirus contamination, do blood groups affect Covid-19 risk, why doe...

Sending children back to school, the role of different facemasks in controlling coronavirus spread, whether common colds are confusing coronavirus tes...

When it comes to coronavirus and the lockdown, are we at risk of a treatment worse than the disease? Also is UV the new therapy for Covid-19, as Mr. T...

This week, are we breeding a fitter coronavirus? Lockdown measures suppress spread, but do they select for a virus with superior spreading power? Also...

This week, coronavirus infection in big cats, how new diseases emerge in the first place, whether face masks work against coronavirus, can Covid-19 sp...

This week, how did birds dodge the dinosaur apocalypse? Why does my rug climb the wall? How can we make a country richer? What does Earth look like in...

What is Covid-19? Are masks worth wearing to protect against coronavirus infection? How does flu compare with coronavirus infection? Do gloves help pr...

Why are people stockpiling? Why does no one remind people not to smoke? Why are some songs music to my ears but a cacophony for others? What determine...

Coronavirus conundrum: how best to block to the spread of the virus. Also, we discuss insect and spider bites, why plastic is such a problem for the o...

Do blood groups affect mosquito preference for who they bite? What else do mosquitoes eat when they are not drinking blood? What is anger? How do bloo...

This week, we answer Paul's question about the size of a diamond you could make with the carbon in a piece of coal, we discuss where butterflies in yo...

Data on the Chinese emerging coronavirus and did it come from pangolins? Why does glassware look more shiny when wet? How does the body fight off vira...

What's the latest on the coronavirus situation? Do facemasks protect against viruses? Can we use nuclear bombs to combat climate change? Are artificia...

This week, what's the resolution of the human eye? Would nanobots be attacked by our immune systems? How small would a squash ball lump of coal be if ...

This week, why only one bottle of water froze while others remained liquid; do hot drinks cool you down? What's phlegm and is it safe to swallow? Is h...

This week, will a walk benefit my waistline; can bacteria eat plastic? Is it just humans that get prostate cancer? What limits the length of body hair...

Welcome to 2020! And in our first show out of the gate this decade, we explore the science of excessive sweating; how you can get an egg within an egg...

How might a sore throat be linked to a hear problem? Are elevated toilet cisterns better at flushing the toilet? What's your take on aliens and the pa...

What's an exponential dilemma? Why do copper bangles make your wrist go green? What causes hot flushes associated with menopause? Which is worse, viru...

Why are preservatives, including mercury compounds like thiomersal, added to vaccines? What is "invert sugar" and is it better for my teeth? How does ...

How does water-based water-repellent paint work? Did a burger on top of my normally vegetarian diet cause my belly ache? Why has no one invented a sil...

Do flu jabs really work? What's a TB gland? Can Prince Andrew really not sweat? Why does pinching your nose halt a sneeze? How old is the Earth and ho...

This week we're exploring why swimming on a full stomach might cause a cramp, whether it's really true that joints ache more when the weather's cold, ...

What are the medical risks and benefits of silver? Is what I call a smell the same experience for you? And why do some things smell appealing, but not...

Does holding a car remote to your head really improve its range? What would happen to a bullet fired off the International Space Station? How did a ma...

Why is salt needed in an old-fashioned ice-cream maker? Are gravity and electromagnetism the same, and could we build a big enough electromagnet to re...

Is it ethical to grow a brain organoid in a dish? What's a shooting star? Do food preservatives build up in the body? What is cancer and why is it so ...