उपयोगकर्ता संग्रह 2021 12 Penny . फिलाडेल्फिया , संयुक्त राज्य अमेरिक

Arnold Schwarzenegger bought 25 houses as a Christmas present for homeless veterans

The United States Department of Housing and Urban Development estimates that by 2020, there are more than 37,000 homeless veterans in the country.

Disability causes include disability due to physical or mental illness (eg, post-traumatic stress disorder in the military), drug abuse and alcoholism (also often due to mental disorders), unemployment, lack of affordable housing, and low social benefits after military service.

On December 25, 2021, NASA launched a new James Webb telescope worth about $ 10 billion

In the next five to ten years, James Webb is expected to be a major driver of world astrophysics and astronomy. In the first year, the telescope should conduct 266 observations. Scientists from 41 countries will also be able to use it.

The uniqueness of "James Webb" in his very large mirror. It is 6.5 meters in diameter, while the Hubble is only 2.4 meters.

The Vector Research Center has published photographs of the omicron strain, the infected cells with which were obtained under laboratory conditions.

The center also named an unusual feature of the "omicron" - the virus collects slowly and does not cause massive cell death on the sixth day of infection.