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1106-ScienceReport

Science Report
11/06/2014
Cyprien Verseux

All seeds have now been planted. Those receiving a liquid supplement (synthetic urine 
and/or water collected after regolith boiling) received the planned dose and all samples 
received distilled water 4 times their routine watering dose to sufficiently wet the 
(very dry) regolith and control soil. The routine watering schedule will be followed from 
tomorrow on. Fingers crossed!

On a less bright side, we noticed the presence of thin fibers (presumably rootlets and 
other vegetal material) mixed with the regolith simulant. The level of organic material in 
the simulant is normally very low, and I never had this issue in previous orders from the 
same provider, Orbitec. I contacted them to investigate. The concentration of these fibers 
remain low, and we hope they won't significantly interfere with the experiments. 
 
More information on the plant experiment will be given in Carmel and Vincent's reports 
today.

Temperature where cyanobacteria's cultures are placed remains suitable through day and 
night (between 20 and 30°C, mostly close to 25°C).

The first sampling EVA took place. Together with Dario, we spent close to 4 hours 
collecting stone and soil samples in different locations (in the east of the Hab, between 
100 and 800 m from it) from which we collected  UVA and UVB intensities, solar spectrum, 
GPS coordinates and pictures from various distances. Bulky gloves and reduced visibility 
definitely makes everything more time- and energy-consuming, but no major problem was 
faced.