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In 1911 arsphenamine, the first synthetic anti-infective drug, was developed by Paul Ehrlich and chemist Alfred Bertheim of the Institute of Experimental Therapy in Berlin. The drug was given the commercial name Salvarsan. Ehrlich, noting both the general toxicity of arsenic and the selective absorption of certain dyes by bacteria, hypothesized that an arsenic-containing dye with similar selective absorption properties could be used to treat bacterial infections. Arsphenamine was prepared as part of a campaign to synthesize a series of such compounds, and found to exhibit partially selective toxicity. Arsphenamine proved to be the first effective treatment for syphilis, a disease which prior to that time was incurable and led inexorably to severe skin ulceration, neurological damage, and death.[citation needed]

What was the name of the first synthetic bacterial drug?
Answer: arsphenamine


Problem: Life expectancy at birth is estimated to be 52.2 years in 2012 – among the lowest in the world. The AIDS epidemic is a large problem in Namibia. Though its rate of infection is substantially lower than that of its eastern neighbour, Botswana, approximately 13.1% of the adult population is[update] infected with HIV. In 2001, there were an estimated 210,000 people living with HIV/AIDS, and the estimated death toll in 2003 was 16,000. According to the 2011 UNAIDS Report, the epidemic in Namibia "appears to be leveling off." As the HIV/AIDS epidemic has reduced the working-aged population, the number of orphans has increased. It falls to the government to provide education, food, shelter and clothing for these orphans.
How many deaths were associated with HIV/AIDS in Namibia in 2003?
The answer is the following: 16,000.


The last use of the firing squad between 1608 and the moratorium on judicial executions between 1967 and 1977 was when Utah shot James W. Rodgers on March 30, 1960. The last use of the gallows between 1608 and the moratorium was when Kansas hanged George York on June 22, 1965. The last use of the electric chair between the first electrocution on August 6, 1890 and the moratorium was when Oklahoma electrocuted James French on August 10, 1966. The last use of the gas chamber between the first gassing on February 8, 1924 and the moratorium was when Colorado gassed Luis Monge on June 2, 1967.
What method of execution was used on James W. Rodgers?
firing squad


Input: Human Development Index
On the following table, green arrows () represent an increase in ranking over the previous study, while red arrows () represent a decrease in ranking. They are followed by the number of spaces they moved. Blue dashes () represent a nation that did not move in the rankings since the previous study.

If a country's ranking does not change, which indicator will be present?
Output: Blue dash


Input: Article: Marvel discontinued its Marvel Adventures imprint in March 2012, and replaced them with a line of two titles connected to the Marvel Universe TV block. Also in March, Marvel announced its Marvel ReEvolution initiative that included Infinite Comics, a line of digital comics, Marvel AR, an application software that provides an augmented reality experience to readers and Marvel NOW!, a relaunch of most of the company's major titles with different creative teams. Marvel NOW! also saw the debut of new flagship titles including Uncanny Avengers and All-New X-Men.

Now answer this question: Infinite Comics is related to what comics media platform?

Output: digital comics


Problem: As of August 2015, Jehovah's Witnesses report an average of 8.2 million publishers—the term they use for members actively involved in preaching—in 118,016 congregations. In 2015, these reports indicated over 1.93 billion hours spent in preaching and "Bible study" activity. Since the mid-1990s, the number of peak publishers has increased from 4.5 million to 8.2 million. In the same year, they conducted "Bible studies" with over 9.7 million individuals, including those conducted by Witness parents with their children. Jehovah's Witnesses estimate their current worldwide growth rate to be 1.5% per year.
What do Jehovah's Witnesses their worldwide growth rate to be?
The answer is the following:
1.5% per year