June 16, 2018, 7:43 p.m.
Record-Setting NASA Astronaut Peggy Whitson Retires
NASA astronaut Peggy Whitson, who holds the U.S. record for most cumulative time in space, is retiring from the agency, effective Friday.
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.
Using two different measurement methods, researchers have conducted a two-year study of North Carolina's Jordan Lake in which they monitored toxic algal blooms. The researchers found that multiple cyanotoxins from toxic algal blooms are present year-round, albeit in very low concentrations.https://www.sciencedaily.com/releases/2018/02/180228164939.htm