Naked Scientists Podcast

Naked Scientists episode

Mon, 19th Oct 2015

Could we ever Colonise Mars?

Mars: home sweet home (c)

In episode three of our series "Destination Mars," we finally arrive at the Red Planet - but what is waiting for us when we get there? We examine possible solutions to the challenges of building a home on an alien planet, including a Star Trek inspired health scanner and bacteria that can be engineered to grow rocket fuel. Plus, the science headlines from around the world: a brain scan for epilepsy, the bees that are addicted to caffeine and the science behind hallucinations.

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I would like to ask a question, by moving to mar's we are in affect moving away from the Sun, how would this effect our brain frequency? Thebox, Fri, 23rd Oct 2015


By brain frequency do you mean brainwaves?

If so the question might be whether different light levels affect brain waves.

We know that daily light levels affect some people's moods and the levels of melatonin in the brain. Light on Mars with sun directly overhead is only 60% of that on earth but has the same spectral content. This is the equivalent of the light level we get at latitude 50 in early March and Early October. Length of day is about 42 mins longer. I'm not aware of differences in brainwaves due to living at different latitudes.

University of Basel found that around the time of full moons, people took slightly longer to fall asleep, and stayed asleep for slightly less time.  They also had thirty percent fewer delta brainwaves, which indicate deep sleep. But this did not change with seasons, in other words light levels.

So, I don't think brainwaves would be affected, but exposure to different light levels could affect sleep and mood.
Might be important to make sure good daytime light levels.

You might want to look at whether there are any psychological symptoms caused by living at higher latitudes.
Colin2B, Sat, 24th Oct 2015


By brain frequency do you mean brainwaves?

If so the question might be whether different light levels affect brain waves.

We know that daily light levels affect some people's moods and the levels of melatonin in the brain. Light on Mars with sun directly overhead is only 60% of that on earth but has the same spectral content. This is the equivalent of the light level we get at latitude 50 in early March and Early October. Length of day is about 42 mins longer. I'm not aware of differences in brainwaves due to living at different latitudes.

University of Basel found that around the time of full moons, people took slightly longer to fall asleep, and stayed asleep for slightly less time.  They also had thirty percent fewer delta brainwaves, which indicate deep sleep. But this did not change with seasons, in other words light levels.

So, I don't think brainwaves would be affected, but exposure to different light levels could affect sleep and mood.
Might be important to make sure good daytime light levels.

You might want to look at whether there are any psychological symptoms caused by living at higher latitudes.


Thank you Colin that was informative.

Just one more question, how is the gravity strength on Mars compared to Earth's? how will this effect are bodily rates  time flow? Thebox, Sat, 24th Oct 2015

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