National Arborist Association (Popularity: )

The trade association of commercial tree care businesses. Site has information (for consumers and for ...
Category: Science\Agriculture\Forestry\Arboriculture

Australian Primary Schools Mathematical Olympiads Inc. (Popularity: )

Open to primary schools in Australia, New Zealand and surrounding countries.
Category: Science\Math\Recreations\Competitions

Star Data Pages (Popularity: )

Provides detailed information about stars: positions, proper motion, radial velocity, magnitudes, spectral class, color index, ...
Category: Science\Astronomy\Stars

C88 - an informational tool for amateur astronomers (Popularity: )

C88 provides detailed informations about the celestial sphere objects, visible with naked eyes and for ...
Category: Science\Astronomy\Software\Toolkits and Observing Utilities

Ohio Agronomy Guide, Corn Production (Popularity: )

A guide to corn production by the Ohio State University with discussion on climate, corn ...
Category: Science\Agriculture\Field Crops\Cereals

Messier 81 Internal Motions (Popularity: )

van Maanen's astrometrically determined internal motions of the spiral nebula Messier 81.
Category: Science\Astronomy\Cosmology

The Best Of Dates, The Worst Of Dates (Popularity: )

Just because Y2K is over, doesn't mean programmers are done creating date bugs - covers ...
Category: Science\Reference\Standards\Individual Standards