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Directory List / Niche / Science & Technology
A Science and Technology directory list. Web Directories that focus on Science & Technology websites. Environmental websites are well represented here. Engineering, Maths, Astronomy, Architecture & Design, Biology, Biotechnologies, Chemistry, Global Warming. Electronics and Solar power. A list of Sciences and Technology related products and services. Free and paid directories related to the sciences.


 
Environmental directories have moved to their own category.  Please see the new environmental directory list, which includes topics such as global warming.

Science / Technology Sub-categories

Agriculture (28)
Architecture (18)
Astronomy (10)
Biology (10)
Chemistry (14)
Earth Sciences (21)
Engineering (34)
Math (16)
Physics (13)
Social Sciences (21)



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Regular listings

PR9
scirus.com    http://scirus.com    Added: Jul 07, 08    Report
Scientific research tool - a science search engine.  Free
 		Alexa: 39219
IP: 208.68.138.205
PR8
science.gov    http://science.gov    Added: Dec 01, 09    Report
USA government science info, including research and development results. 		Alexa: 396179
IP: 192.107.175.171
PR7
elecdir.com    http://elecdir.com    Added: Mar 13, 10    Report
Electronics and Electrical directory.   Free 		Alexa: 73191
IP: 64.27.25.186
PR7
science.co.il    http://science.co.il    Added: May 10, 11    Report
Israel Science and Technology. 		Alexa: 177003
IP: 66.206.26.70
PR6
sciseek.com    http://sciseek.com    Added: Feb 13, 06    Report
Science directory 		Alexa: 548296
IP: 66.135.39.218
PR6
stanford.edu    http://www-sul.stanford.edu/collect/science/    Added: Feb 13, 06    Report
Stanford Science links.  Directory of article and conference papers 		Alexa: 1211
PR6
sciencecentral.com    http://sciencecentral.com    Added: Apr 27, 09    Report
Alexa: 771900
IP: 216.240.143.101
PR6
physics.usc.edu    http://physics.usc.edu/ScienceFairs/    Added: Nov 27, 09    Report
List of science fairs. 		Alexa: 4753
PR6
harvard.edu    http://mcb.harvard.edu/BioLinks/biochem.html    Added: Dec 01, 09    Report
List of Biochemistry and Molecular Biology resources 		Alexa: 1432
PR6
physlink.com/Directories/Index.cfm    http://physlink.com/Directories/Index.cfm    Added: May 10, 11    Report
Physics and Astronomy Directory. 		Alexa: 221580
PR5
Hypography    http://hypography.com/links.cfm    Added: Feb 02, 06    Report
Science. Free 		Alexa: 3269882
PR5
aseanengineers.com    http://aseanengineers.com    Added: May 10, 11    Report
Science, Technology & Engineering. 		Alexa: 1204183
IP: 88.198.171.138
PR5
nanotech-now.com    http://www.nanotech-now.com/directory/    Added: May 13, 09    Report
Nanotechnology 		Alexa: 31635
PR5
technodir.com    http://technodir.com    Added: Sep 20, 11    Report
Technology.  Paid. 		Alexa: 3409951
IP: 174.120.188.94
PR5
mineraltown.com    http://mineraltown.com    Added: Mar 28, 12    Report
Rocks, minerals and fossil collecting information.  Reciprocal or Paid. 		Alexa: 435194
IP: 217.115.115.54
PR4
sciencepage.org    http://sciencepage.org    Added: Feb 13, 06    Report
Science and science education sites. Free (email suggestions) 		Alexa: 3084039
IP: 69.163.178.202
PR4
electronicsinfoline.com    http://electronicsinfoline.com    Added: Feb 18, 06    Report
Electronics projects.  Does not provide direct links.
Alexa: 676874
IP: 209.217.226.85
PR4
aviationreferencedesk.com    http://aviationreferencedesk.com    Added: Apr 04, 09    Report
Aviation Links and Aerospace Resources 		Alexa: 1730860
IP: 74.220.199.22
PR4
atomdir.com    http://atomdir.com    Added: Nov 15, 06    Report
Science and Technology Directory.  Paid or reciprocal.
Alexa: 957021
IP: 184.173.199.217
PR4
technology-resource.co.uk    http://www.technology-resource.co.uk    Added: Nov 14, 08    Report
Technology: Science, Computers, Engineerig and business - Must email for submission 		Alexa: 732788
IP: 85.133.53.163
PR4
nano-companies.com    http://nano-companies.com/    Added: Apr 27, 09    Report
German Nanotechnology Companies and Institutions 		Alexa: 1158450
PR4
ancientsciences.com    http://ancientsciences.com    Added: Apr 21, 10    Report
For Researchers & Professionals of Ancient Science 		Alexa: 3617560
IP: 74.86.56.202
PR4
motives.com    http://electro.motives.com    Added: Dec 01, 09    Report
Electronics listings 		Alexa: 6231996
IP: 207.192.71.45
PR4
mineralsites.com    http://mineralsites.com    Added: Mar 28, 12    Report
Rocks and Minerals.  Reciprocal or Paid. 		Alexa: 3753821
IP: 217.115.115.84
PR4
science-directory.net    http://science-directory.net    Added: May 10, 11    Report
Alexa: 1417561
IP: 178.156.191.79
PR4
jazdcommunications.com    http://jazdcommunications.com    Added: May 16, 11    Report
Telecom & Telecommunications Directory. 		Alexa: 333283
IP: 50.57.204.101
PR3
hrent.com    http://hrent.com/_directory.html    Added: Feb 14, 06    Report
Electronics links - Reciprocal 		Alexa: 532373
PR3
Sciencebiz.com    http://sciencebiz.com    Added: Jun 02, 07    Report
Paid - Part of a large network of directories hosted on the same IP. 		Alexa: 25824452
IP: 174.121.162.194
PR3
trophort.com    http://trophort.com    Added: Apr 08, 09    Report
Life and Earth Sciences.   Science sites and articles in biology, applied life sciences, agriculture, horticulture, forestry, earth sciences, and environmental sciences. 		Alexa: 7932765
IP: 91.195.240.135
PR3
devicesdirectory.com    http://devicesdirectory.com    Added: Nov 23, 10    Report
Electronic Devices Directory Part of a network of directories hosted on the same IP. 		Alexa: 3024757
IP: 173.193.254.135
PR3
ham-directory.com    http://ham-directory.com    Added: Nov 18, 09    Report
Ham radio sites and resources. 		Alexa: 3799141
IP: 50.22.225.239
PR3
scienceresourceworld.com    http://scienceresourceworld.com    Added: May 10, 11    Report
Alexa: 8610138
IP: 68.142.213.151
PR3
eurocomms.com    http://eurocomms.com/directory    Added: May 16, 11    Report
European Communications. 		Alexa: 1359882
PR3
yourcommunicationnews.com    http://yourcommunicationnews.com/directory/    Added: May 16, 11    Report
Communications. 		Alexa: 7971633
PR2
hi-techdirectory.org    http://hi-techdirectory.org    Added: Oct 12, 06    Report
No visible submission form. Multiple directories hosted on the same IP. 		Alexa: 5527411
IP: 96.127.180.146
PR2
bestsciencedirectory.com    http://bestsciencedirectory.com    Added: Sep 15, 10    Report
Alexa: 975085
PR2
voiptelecom.org    http://voiptelecom.org    Added: Apr 06, 11    Report
Telecom. 		Alexa: 706440
PR1
SearchingTech.com    http://SearchingTech.com    Added: Nov 15, 06    Report
High Tech. Multiple directories stored on same IP. 		Alexa: 888626
IP: 208.116.7.242
PR1
biosciregister.com    http://biosciregister.com    Added: Apr 30, 10    Report
Biotechnology and life sciences industries suppliers 		Alexa: 2804351
IP: 184.154.88.6
PR1
hub9000.com    http://hub9000.com    Added: Sep 26, 11    Report
Robotics and Artificial Intelligence Directory.   		Alexa: 11037972



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