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What makes underwater animals glow?

... creatures use a type of bacteria. Some creatures use their own chemicals which are then put together. It's essentially ... column. This creature called the loosejaw fish creates its own red light. Nothing else can see it because no fish really ... there isn't any red light down there. If you make your own red light and you can see it yourself then you've got ...

this is a picture of the periodic table

How do chemists design new molecules?

... this and learn as it did it so you could work out from its own mistakes and what did and didn't work; how to make better ... Lee - Yeah. I was trying to be coy about selling my own stuff. But in my own lab... Chris - I'm not just planting that, that wasn't a ...

A mushroom cloud from an explosion.

Could nuclear testing cause earthquakes?

... Both of them can generate little earthquakes on their own, as to whether they can generate a big earthquake, the ... in is not enough to generate a big earthquake on it's own. Unfortunately, we don't know much about where the big ...

Pink rose

Can you make perfume from flowers?

... in the bottle so it doesn’t go off. If you make your own, which is perfectly possible, you can extract the scent ... who want to study it. How does perfume work? Can I make my own perfume out of flowers as a present? SPOILER: There may ...

Why does some wood spit and crackle when you burn it?

... as the wood gets very hot. The expansion is like its own mini explosion. When you put wood on a fire, why does ...

Tour guide at the Beckley WV Exhibition Coal Mine, showing the kind of safety lamp that replaced canaries as methane detectors.

How do Davy's miners' safety lamps work?

... how do we make these lamps safe?" In fact, you can do your own experiment to show how a Davy lamp works because, if you ...

Are there any health effects from firing off lots of fireworks in a confined space?

... colours from each chemical. Each chemical has its own unique flame colour. You give the elements some energy by ...

Wind farm surrounded by grass

What's the greenest way to heat my home?

... energy if I had a choice of you know designing my own home. Sam - I was reading a recent article that actually ...

Are candles bad for the environment?

... animals would've eaten and then incorporated into their own body. So, burning those candles isn't bad for the ...

Why does the wick of a burning candle shorten after you've blown it out?

... burning away. The wick will stay there pretty much on its own and sit there. If you blow the candle out, you'll get a ...

Where are the bacteria on our bodies?

It is true, we are passengers in our own body. In fact, 10 is a conservative estimate. There are ...

Image of a firey explosion

What's the most explosive chemical?

... So that's a molecule that has 14 nitrogens in its own structure, and because of these constrained nitrogen ...

Do antiperspirants make you sweat elsewhere?

... and wherever they come into contact with water from your own body, in other words, where there's a pore linked to a ...

Radioactive Sign

What were the repercussions of Chernobyl?

... By the yeast making itself very, very dark, it has its own in-built body armour against radiation and in this way, ...

A fire burning

Why do embers glow red?

... region of the spectrum, so we can start to see if with our own eyes. Kat - So if humans were as hot as a fire, we would ...

Who uses the most electricity?

... to be about 30 pence per weekend. Now his Xbox on its own draws about 160 watts, so that's going to be 24 pence for ...

Structures resembling bacteria on Martian ALH84001 meteorite

Life from Outer Space?

... are the backbone of the organic molecules that make up our own DNA. The chances of being able to find life elsewhere in ...

What would happen if you lit a match in space?

... that is formed. So essentially it chokes itself in its own waste products and just goes out. What would happen if ...

Do animals photosynthesise?

... It can capture energy from the sun and use it in its own body. Dave: In a slightly less extreme way I think there ...

Robots

Will nanobots destroy the world?

... to design deliberately is something that comes with its own powerpack. That is completely adaptable to all sorts of ...

Green gooseberries

Why is gooseberry jam red when gooseberries are green?

... but not for gooseberries as they're sour enough on their own. In this case, I think it's rather the fact that during ...

Why does my beer sometimes explode?

... all sorts of possible explanations. I sometimes brew my own beer. When I open a bottle of beer that I’ve brewed, ...

Sticky Tape

What makes things sticky?

... which was quite exciting for me. I have a question of my own: What makes things sticky? I've always wondered what ...

Pink jellyfish

How do things emit light by giving off photons?

... were already there, then why doesn't everything emit its own light instead of just reflecting light? How do things ...

Alcohol bottles

Can ethanol be purified by reverse osmosis?

... reverse osmosis water purifiers.   I am making my own home brew spirits with dextrose and yeast, then it got me ...