Question of the Week

We find out how one makes more seedless grapes, bananas, oranges and watermelons when they don't have any seeds!

This week's question is all about the cell-zapping power of radiation. Just how much does a standard medical scan...

Why is it that we serve white wines and red wines at different temperatures? Does this really affect the bouquet?

We find out why it is we see red skies at all and the meteorology behind, "Red sky at night, shepherd's...

We find out how many children a sperm donor will father. Is there a limit to the number?

Why is it that, when your mum asks you to move the TV aerial to a better position, the signal improves while you move...

We find out what vitreous floaters are and how they can be removed. Will a coil of wire do the trick?

How do spiders make such perfect webs? Are they expert architects, mathematical geniuses or natural engineers? Plus, we...

We find out why we were told as kids not to sit too close to the television. Is there any scientific basis to the...

We find out how sharks, proud owners of cartilaginous skeletons, make red blood cells without the aid of bone marrow.

Just what is the point to all those ridges and furrows set into our fingers, toes, palms and soles? We do some...

We discover what it is that makes fewer or more waves crash against the shore each minute. Is it the tides, the sun or...

We find out if and how plants might combat little nasties like bacteria and viruses. Plus, we ask what defines the...

We find out why tattoos can hang around for a lifetime. Plus, we ask if plants have an immune system.

We find out how pacemakers keep your heart in check, even if you go running after a bus. Plus, we ask how tattoos...

We find out what it is that makes rice-based cereals so noisy. Plus, we ask how does a pacemaker know to keep step with...

We find out how developing bird embryos get their oxygen whilst trapped inside an egg. Plus, we ask what makes...

In this Question of the Week, we ask if we sneeze in our sleep? What stops us from 'atchoo'ing while we'...

When is it a good environmental idea to trade in an old car for a new one - there's so much embodied carbon in a...

We clean up the science of washing powders, how they work and why stains rather than dyes are removed by them. Plus, we...

We ask if the Earth rains outwards and loses water to space! Plus, how does laundry detergent target stains but avoid...

Where would be the best place for an asteroid to strike the Earth? Would deep ocean, land or polar ice cap be the least...

We find out how sunflowers follow the sun as it moves from east to west and whether the blooms have the same attraction...

This week, we ask if the human race is evolving to be less intelligent, as those with more education tend to delay...