• Medicine
• Antibiotics drastically reduced mortality from bacterial diseases
• Polio vaccine
• Eradication of the smallpox virus
• New psychiatric drugs were developed. This includes antipsychotics which are efficient in treating hallucinations and delusions, and antidepressants for treating depression.
• The invention and development of immunosuppressive drugs and tissue typing made organ and tissue transplantation a clinical reality.
• Imaging: X-Ray, MRIs for diagnosis of cancer, bone and joint problems, ...
• Heart bypass surgery
• Pacemakers
• The life expectancy at birth in the US has risen to 77 years in 2000 from 61 years in 1933 when comprehensive data first became available, and an estimated 47 years in 1900.
  However a 2008 Harvard study showed that life expectancy actually declined in a substantial number of counties from 1983 to 1999, particularly for women. Most of the declines are in the Deep South, along the Mississippi River, in Appalachia and the southern Plains and Texas.
• Agriculture
• The Green Revolution - technologies including pesticides, irrigation projects, and synthetic nitrogen fertilizer have increased yields for wheat and other crops have increased from 2.5 - 3.5 times in the 20th century.
• Agricultural Mechanization
• Science:
• Physics:
• Nuclear physics, Quantum theory, ...
• The discovery of the Big Bang has confirmed there was a "Creation".
• Micro-biology - DNA (gene therapy, criminals exonerated, ...),
• Engineering:
• Electricity - The light bulb, microwaves, air conditioning, telephone....
• Appliances - The washing machine, refrigerator, vacuum, ....
• Electronics/Communications - The transistor, Radio, TV, computers, fiber optics, The Internet, GPSs
• Transportation - Auto, Air,
• Material Science - Higher quality, lighter, stronger, and more adaptable materials.
• Warfare - Smart Bombs, Unmanned Aerial Vehicles (UAV).

Atomic Warfare
United Nations
Nuclear proliferation treaties
Death from Wars and Democide (Genocide, Rebellions, ...):
18th century 3.9% of the population
19th century 4.1% of population
Current
- Disease and Starvation in the third world: 12 Million deaths per year
- Divorce rate has doubled since 1950. (See Marriage-Divorce)
- Income disparity between the rich and poor (people in the US and countries)
   has increased dramatically.