Science
Get flash to fully experience Pearltrees
General Info It is first important to understand that there are currently seven different NexStar hand controls on the market. In order of their introduction:
PC Control of NexStar Telescopes - NexStar Resource Site
In these pages we've talked an awful lot about making polymers from monomers with carbon-carbon double bonds.
Olefin Metathesis Polymerization
climate
Chemical Data Access Tool | OPPT | US EPA
April 12, 2012 - EPA has made available non-CBI versions of the 1991-94 and post 2001 TSCA section 8(e) filings bringing the total to 18,410.
The crows were using tools to learn about the object which was novel, and potentially dangerous, without making direct contact New Caledonian crows ( Corvus moneduloides ) are known for their intelligent and innovative use of "tools", such as twigs, to extract nutritious insects from hard to reach places.
BBC - Earth News - Curious crows use tools to explore dangerous objects
Share your discoveries on the forum and Flickr, check out the space weather forecast on Twitter, and read our blog for all the latest news and challenges.
Solar Stormwatch
ScienceDaily (Dec. 6, 2010) — A daily low dose of aspirin significantly reduces the number of deaths from a whole range of common cancers, an Oxford University study has found.
Daily aspirin at low doses reduces cancer deaths, study finds -- but caution urged
