Fighting viruses is a regular battle for your body, one it routinely wins if it has a healthy immune system. But compromised systems, as experienced occasionally by astronauts during space flights, can allow viruses to return.
Space Exploration
Apr 5, 2013
0
0
When early humans became carnivores, their higher-quality diet allowed mothers to wean babies earlier and have more children, with potentially profound effects on population dynamics and the course of human evolution, according ...
Plants & Animals
Apr 18, 2012
0
0
Scientists reveal in more detail than ever before how white blood cells kill diseased tissue using deadly granules, in research published today in PLoS Biology.
Cell & Microbiology
Sep 14, 2011
0
0
Making use of a new "super resolution" microscope that provides sharp images at extremely small scales, scientists have achieved unprecedented views of the immune system in action. The new tool, a stimulated emission depletion ...
Cell & Microbiology
Sep 13, 2011
0
0
Like humans, mice that live in their natural habitat encounter bacteria and other pathogens that exercise their immune system, yet the lab mice typically used in immunology studies are raised in isolation from most diseases. ...
Ecology
Sep 8, 2011
1
0
The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple orchards with ...
Plants & Animals
Nov 2, 2009
0
0
Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
6
0
