Facebook
Linkedin
Twitter
Sign in
Join
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Sign in
Welcome!
Log into your account
your username
your password
Forgot your password?
Create an account
Sign up
Welcome!
Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
Search
Sign in
Welcome! Log into your account
your username
your password
Forgot your password? Get help
Create an account
Create an account
Welcome! Register for an account
your email
your username
A password will be e-mailed to you.
Password recovery
Recover your password
your email
A password will be e-mailed to you.
21st Century Tech Blog
AI
Computers
Education
Energy/Industry
Environment
Medical
Politics
Space
Transportation
Home
Environment
Land Use
Land Use
MEDICAL
Putting Fluoride In Community Water Supplies Is Being Questioned
lenrosen4
-
November 13, 2024
Agriculture
Satellite Monitoring Revolutionizes 21st Century Agricultural Practices
lenrosen4
-
September 26, 2024
Cities
The Present And Future Internet of Things For Sustainable Construction
lenrosen4
-
September 5, 2024
Industrial Technology
Electrified Thermochemical Reactor Could Revolutionize and Decarbonize Heavy Industry
lenrosen4
-
September 4, 2024
Cities
Shock Therapy Proposed By Northwestern University To Shore Up Shorelines
lenrosen4
-
August 31, 2024
Agriculture
Agriculture Update: Notes from the GMO Battlefront
lenrosen4
-
February 19, 2013
0
Agriculture
Agriculture Update: Scarecrow Gene Could Increase Crop Yields by 50%
lenrosen4
-
February 14, 2013
0
Energy/Industry
Headlines at 21st Century Tech for February 8, 2013
lenrosen4
-
February 8, 2013
0
Agriculture
Agriculture Update: Bred to Resist Insect Pests GMO Cause Less Damage to Biodiversity than Non-GMO Crops
lenrosen4
-
January 21, 2013
0
Cities
Environment & Communications Update: The News from China
lenrosen4
-
January 17, 2013
0
Nations
Sex Ratio Imbalances and Society – How Marriageable-Aged Women and Men Shape Culture and Politics
lenrosen4
-
January 16, 2013
0
Curing Illness
Crowdsourcing, Crowdfunding, X Prizes – 7 Billion Minds Put to Work
lenrosen4
-
January 14, 2013
1
Agriculture
Headlines at 21st Century Tech for January 11, 2013
lenrosen4
-
January 11, 2013
1
Agriculture
Biomedicine & Computing Update: BiFi, Biology, Engineering and Artifical Life
lenrosen4
-
January 9, 2013
1
Agriculture
A Personal Note and Then A Recantation, Not Mine
lenrosen4
-
January 8, 2013
1
Gadgets
Gizmos & Gadgets: Autoclave Quality Sterilization in Remote Settings for Less Than $200
lenrosen4
-
January 2, 2013
2
Cities
Human Resolutions for Lifeboat Earth in 2013
lenrosen4
-
December 27, 2012
0
1
...
84
85
86
...
95
Page 85 of 95
Most Read
Governments Spending $7 Trillion Annually To Subsidize Fossil Fuels
November 15, 2024
Putting Fluoride In Community Water Supplies Is Being Questioned
November 13, 2024
Once Again Global Action To Mitigate Climate Change Is At Risk
November 12, 2024
Canada Celebrates The End Of War Each November 11th
November 11, 2024
