March 28, 2019, 5:43 p.m.
tutti - social network
Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.
Scientists have characterized a protein that enables certain microorganisms to recognize and absorb ammonium in their environment. Ammonium is considered a toxin that pollutes ecosystems - but for these bacteria it represents an important nutrient and energy source.https://www.sciencedaily.com/releases/2018/01/180113093731.htm
this sequoia tree was planted in the moon's orbit in 1971 aboard Apollo14.
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