Ask The Naked Scientists

Why do most mammals have four limbs? What will happen when the Milky Way and Andromeda galaxies collide?

Also, how does colour blindness work? And is there anything dangerous about mobile phones?

And why are DNA tests never 100% accurate?

Why does my nose itch when I brush my teeth?

Is breakfast really the most important meal of the day?

And why is my dog biting holes in its belongings?

Why do I find it difficult to fall asleep in a new environment? Did the moon landing really happen?

Also, should you drink re-boiled water? and how do bees know who to attack?

Are some women more susceptible to morning sickness? Can smelling experiences differ between people?

Also, how long do DNA samples last for?

Why are more people right hand dominant? How did diseases evolve in tandem across continents?

Also, what does the Adam's apple do? And what causes a spring tide?

Might there be ancient cities we've yet to discover? Can I become lactose intolerant later in life?

Also, how big are protons and electrons? And why do all babies have straight hair?

How do we know that our colours are universal? Why do stinging nettles sting?

Plus flyspray, muscle memory, king cobras and the physics of freefall...

What makes an appendix burst? Why do we blush?

Plus, how far off is the horizon, and why is it always at eye-level? Also Covid-19 boosters and what makes hiccups...

Why do we dream? And why is the Earth still so hot?

Why is it the more you scratch the more you itch? Why can't I stand the taste of coriander?

Also, what makes the brain age? And can dogs get headaches?

Why are printer cartridges so expensive? How does one grasp infinity?

Plus, what makes TB so drug resistant, and what's the point of going to Mars?

Before we can speak, what language do we think in? Can you transplant the same organ multiple times?