[SpaceProgram] You’ve been selected as Space Apps 2016 Top 25 People’s Choice: cress.space – a growing community

[cole santos]

On Monday, May 16, 2016, cole santos <cksantos85 at gmail.com> wrote:

> Actually we took the DarPA money and the project was a great success.
> Www.spacegambit.Com
>
>
> On Monday, May 16, 2016, Michael P Weber II <michaelweberii at gmail.com
> <javascript:_e(%7B%7D,'cvml','michaelweberii at gmail.com');>> wrote:
>
>> On Mon, May 16, 2016 at 3:05 AM, Michael Turner
>> <michael.eugene.turner at gmail.com> wrote:
>> > Whether intentional or not, the choice of watercress could be very
>> > space-relevant.
>> >
>> > (1) Biosphere II saw the direct participation of the late Roy Walford,
>> MD, a
>> > pioneer self-experimenter in CRON (calorie restriction with optimal
>> > nutrition) as a strategy for life extension. This research interested
>> the
>> > Biosphere II organizers because, in feeding long-duration space mission
>> > participants, fewer calories eaten means, to a good first approximation,
>> > less mass for the ecological life support system, leading to lower
>> mission
>> > cost, etc.
>> >
>> > (2) Research into how CRON appears to increase lifespans (in part by
>> > reducing cancer risk -- a big issue in space travel because of space
>> > radiation) reveals that it's more about protein restriction than about
>> > calorie restriction per se.
>> >
>> > (3) Further research has suggested that it's specifically reduction of
>> > methionine intake that is the main driver of life extension in CRON
>> (hence,
>> > presumably, lower cancer risk);
>> >
>> > (4) High-glycine diets sop up excess methionine. (To be sure:
>> methionine is
>> > an essential amino acid; glycine is not. But it seems that with
>> methionine,
>> > you can get too much of a good thing.)
>> >
>> > (5) Watercress is very high in glycine, quite low in methionine.
>> Watercress
>> > might be ideal for offsetting the cancer risks from space radiation in
>> > long-duration space missions.
>> >
>> > I think a good next step in such work would be to try to optimize
>> watercress
>> > production in an aeroponic rather than a hydroponic style. Hydroponics
>> is
>> > great, highly productive, but ... water is heavy. Aeroponics can give
>> you
>> > much of the benefit of hydroponics but with a fraction of the equipment
>> > mass. Aeroponics should be more adaptable to low-g and microgravity
>> > environments since it's not gravity-dependent -- it's basically just the
>> > deposition of nutrient-enriched mist droplets on plant roots.
>> Aeroponics may
>> > have gotten its start from NASA funding.
>> >
>> >
>> > Regards,
>> > Michael Turner
>> > Executive Director
>> > Project Persephone
>> > K-1 bldg 3F
>> > 7-2-6 Nishishinjuku
>> > Shinjuku-ku Tokyo 160-0023
>> > Tel: +81 (3) 6890-1140
>> > Fax: +81 (3) 6890-1158
>> > Mobile: +81 (90) 5203-8682
>> > turner at projectpersephone.org
>> > http://www.projectpersephone.org/
>> >
>> > "Love does not consist in gazing at each other, but in looking outward
>> > together in the same direction." -- Antoine de Saint-Exupéry
>> >
>> > On Mon, May 16, 2016 at 4:35 PM, Michael Turner
>>
>>
>> Michael,
>>
>> Are you going to take over the list then?
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>>
>
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