In fairy lights the blue ones can be harder to resolve: why?
This week a top to bottom tour of the intestine. Why we need more dirt in our diet, how to avoid food poisoning, and...
We might joke about the battle of the sexes, but it turns out that this is actually true - at least for a hundred or so...
What surprises might you find lurking in your DNA, and can that information be used against you?
How understanding the formation of a human being from a single fertilised egg can help us to repair things when they go...
Why do missiles in films make a descending sound as they fall?
Mission controllers, the man at the heart of Apollo 13 and a meeting with Dan Dare...
How do venus fly traps work? Can psychologists read your mind? Why is herbivore poo so diverse?
Brain implants help people with paralysis, nicotine exposure affects male offspring, toxoplasma, how human handedness...
What goes on inside atoms: how can you harness the incredible energy locked inside, and how do you create new elements.
Your questions answered, including the best cure for a hangover.
Does one or two steps at a time require more energy, and which is better for a work-out?
A biochemical test for autism has been developed by scientists in the US.
Are trends in modern living helping or harming our ability to reproduce?
Can HIV be transferred through a mosquito bite?
Meet the thousands of pieces of space debris above our heads, which could cause a catastrophe for future space travel.
The DNA sequencing revolution is providing ever more data about genomes from all kinds of species, from humans to...
Is it better to throw your old bulbs out immediately, or only as they break?
SpaceX and NASA compete to get people back to the Moon, Richard meets a man who grows space tomatoes in human urine,...
Palaeontologists find discoveries in the dental plaque of neanderthals
Where have all the bees gone? Do mermaids exist? What causes deja vu?
Our expert panel tackle your science questions.
Why do I get a stitch when I run? Is there such thing as baby brain?
When we drink a cup of tea, how much of it comes straight back out?