Will giving up alcohol improve my sperm count?

Investigating how lifestyle can affect male fertility

• 35 mins

Can being happy help me fight infection?

Can happiness boost immunity?

• 39 mins

Can I improve my sense of direction?

Why do some people navigate with ease whilst others struggle to find their way?

• 39 mins

Can we build houses from living trees?

Treehouses are magical but are they viable dwellings for modern living?

• 32 mins

Why do men rule the world?

Listener Paula from Kenya wants to know why men rule the world

• 37 mins

Why does it feel so good to swear?

How swearing relieves pain and helps us bond with others

• 33 mins

How does my mind talk to my body?

The nerve connecting mind and body

• 39 mins

Can space exploration be environmentally friendly?

Are the space junk and carbon footprint issues of extra-terrestrial endeavours solvable?

• 39 mins

Do animals use medicine?

Find out how animals cure their illnesses

• 30 mins

If a tree falls in a forest does it make a sound?

If a tree falls in a forest, and there’s no-one there to hear it, does it make a sound?

• 39 mins

Why do we gossip?

Are we hardwired to seek out salacious stories and can we harness gossip for good?

• 37 mins

Why does grief leave me feeling this way?

Grief can be crippling. Why have we evolved to be so affected by loss?

• 36 mins

What can we learn from wastewater?

Sewage testing could help stop the spread of disease

• 37 mins

Why are seeds such different sizes?

Why are seeds the size they are? Does their size affect how big the plant grows?

• 34 mins

Why is learning stuff harder as you get older?

Why as children we effortlessly absorb new skills but as adults we don’t

• 35 mins

Could we turn poisonous plants into edible crops?

Detoxifying plants may reveal untapped food ready for the picking

• 27 mins

How old are the elements?

Can you pick a random atom on earth & tell how old it is, or what its cosmic history is?

• 36 mins

Is my neighbour’s noise harming my health?

Noise can be a source of annoyance – but could it even be damaging to our health?

• 27 mins

What is the point of menstruation?

Why did humans evolve to have periods and do we have to have them each month?

• 40 mins

Why do I have such a sweet tooth?

How our genes help determine how much sugar we should eat

• 37 mins

Does my equator look big in this?

Is the Earth getting heavier or lighter?

• 36 mins

What happened to my sense of smell?

What happens when our sense of smell is disrupted or disappears all together?

• 26 mins

Why do I feel hungry?

A buffet of food & flavour questions from listeners reaching from stomachs to outer space

• 36 mins

Why is standing more tiring than walking?

We tackle questions about walking, standing, sitting and running

• 29 mins

Why do my cables keep getting tangled?

Can science explain why cables and headphones become tangled up and knotted?

• 31 mins

Am I a psychopath?

A CrowdScience listener wants to know if she is a psychopath.

• 35 mins

Do I really have to clean my recycling?

We tackle questions about the best ways to recycle.

• 31 mins

Can video games help me or harm me?

What’s the scientific evidence for how gaming affects us?

• 34 mins

How can smart tech tackle climate change?

How can clever computing help us reduce greenhouse gas emissions?

• 37 mins

Why is human skin so rubbish?

We’re dissecting our skin’s structure and roles and asking if science can give it a boost

• 34 mins