The problem: Answer a question about this article:
Other notable new vaccines of the period include those for measles (1962, John Franklin Enders of Children's Medical Center Boston, later refined by Maurice Hilleman at Merck), Rubella (1969, Hilleman, Merck) and mumps (1967, Hilleman, Merck) The United States incidences of rubella, congenital rubella syndrome, measles, and mumps all fell by >95% in the immediate aftermath of widespread vaccination. The first 20 years of licensed measles vaccination in the U.S. prevented an estimated 52 million cases of the disease, 17,400 cases of mental retardation, and 5,200 deaths.
Who recreated the measles vaccine?
****
The answer: Maurice Hilleman


The problem: Answer a question about this article:
The economy of Himachal Pradesh is currently the third-fastest growing economy in India.[citation needed] Himachal Pradesh has been ranked fourth in the list of the highest per capita incomes of Indian states. This has made it one of the wealthiest places in the entire South Asia. Abundance of perennial rivers enables Himachal to sell hydroelectricity to other states such as Delhi, Punjab, and Rajasthan. The economy of the state is highly dependent on three sources: hydroelectric power, tourism, and agriculture.[citation needed]
What three things is the economy of the state dependent on?
****
The answer: hydroelectric power, tourism, and agriculture


The problem: Answer a question about this article:
In 821/822 CE Tibet and China signed a peace treaty. A bilingual account of this treaty, including details of the borders between the two countries, is inscribed on a stone pillar which stands outside the Jokhang temple in Lhasa. Tibet continued as a Central Asian empire until the mid-9th century, when a civil war over succession led to the collapse of imperial Tibet. The period that followed is known traditionally as the Era of Fragmentation, when political control over Tibet became divided between regional warlords and tribes with no dominant centralized authority.
What followed the collapse of imperial Tibet?
****
The answer: Era of Fragmentation


The problem: Answer a question about this article:
Economic growth in Swaziland has lagged behind that of its neighbours. Real GDP growth since 2001 has averaged 2.8%, nearly 2 percentage points lower than growth in other Southern African Customs Union (SACU) member countries. Low agricultural productivity in the SNLs, repeated droughts, the devastating effect of HIV/AIDS and an overly large and inefficient government sector are likely contributing factors. Swaziland's public finances deteriorated in the late 1990s following sizeable surpluses a decade earlier. A combination of declining revenues and increased spending led to significant budget deficits.
What has the Real growth in GDP since 2001 in Swaziland in percentage?
****
The answer:
2.8%