June 21, 2018, 1:38 p.m.
Once in a Blue Dune
Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater, NASA's Mars Reconnaissance Orbiter (MRO) shows a field of classic barchan dunes on Jan. 24, 2018.
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.
A new method to create synthetic neurons allows researchers to investigate how the human brain makes metabolic building blocks essential for the survival of all living organisms. A new study describes a core enzyme involved in the synthesis of these building blocks, called purines, and how the enzyme might change during infection by herpes simplex virus.https://www.sciencedaily.com/releases/2018/01/180122164702.htm
