Luis Villazon

Q&A expert

Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.

If we extracted and used all of the fossil fuels on Earth, would the planet become lighter?

Turns out burning fossil fuels doesn't just have an impact on Earth's temperature.

Why are there 12 notes in an octave?

This one's for the music lovers out there.

If my brain was in my stomach, would I 'think from my stomach'?

Is what we think with the same as where we think from?

If you farted hard enough in space, could you move yourself around?

You can eat as many beans as you like in space, apparently.

Here’s why living in space would be a dictator’s dream come true

From physical to societal challenges, living in space would be no easy feat.

Here’s what happened when an astronaut took a yo-yo into space

The ups and downs of a yo-yo is based on physics but will it work without gravity?

Wearing headphones might be helping bacteria grow in your ears

Sealing off the entrance to your ears can increase the population of bugs.

No, you absolutely cannot drop candy into the Large Hadron Collider. Here's why

The Large Hadron Collider accelerates protons to near the speed of light so throwing an M&M down there could be catastrophic.

This is how many humans a T. Rex would need to eat each day to stay alive

As an apex predator, the T. rex would have needed a hefty supply of flesh to meet its dietary requirements.

Rome wasn't built in a day... and here's why

Building a city is complicated and, even with a huge amount of manpower, building materials need time to cure and set once used.

Why do old batteries leak?

The chemicals inside batteries which produce electricity also produce hydrogen which can cause the seal to break.

How radioactive is my house? (Do I need to worry?)

Homeware, foods and even where you live can expose you to different amounts of radiation.

Is it possible to inhale an insect into your lungs?

Could a creepy crawly end up in your lungs?

Who will rule the world once we’re extinct?

Which animals could take over if a virus wipes out humanity?

Luis Villazon

Q&A expert

Why is Moon dust so sticky?

What is a nuclear battery and how does it work?

How can you tell if a spider is dangerous?

Olympics: Will we reach a point where sports records can no longer be broken?

The strange reason Olympic divers have such tiny towels

If time travel were possible, should you really avoid contacting yourself?

If you shot a bullet straight up, how far would it travel?

Scientifically, what’s the best way to cut a sandwich?

How close are we to having tractor beams, like in Star Trek?