Historically, the idea of peace has been represented by symbols that attempt to transcend differences of culture, such as the white dove, the olive branch, and the broken rifle. The now-familiar line-drawing of a crow’s foot in a circle was created specifically for the Campaign for Nuclear Disarmament by British artist Gerald Holtom, but it quickly caught on as a general, international sign for peace. Holtom has stated that it is derived from the semaphore flag signals for what two letters? Discuss
Source: The Free Dictionary
Shaheed or Shahid Day is a national day of mourning in Bangladesh. Before becoming autonomous in 
At the age of 100, Calment was still riding a bicycle around her native Arles, France. She lived on her own until she was 110 and smoked until she was 117. She saw the Eiffel Tower being built and remembered selling colored pencils to Vincent van Gogh as a girl in her family’s shop. By the time she died in 1997 at the age of 122, Calment had lived the longest confirmed human life in history—and outlived her entire family. What foods have been cited as contributing to Calment’s longevity? 
Secondhand smoke is cigarette, cigar, or pipe smoke that is inhaled unintentionally by nonsmokers. The amount of such smoke inhaled by a nonsmoker is relatively small when compared to the amount inhaled by a tobacco user; however, so-called passive smoking can aggravate respiratory illnesses and contribute to serious diseases, including cancer. This danger has led many countries to adopt smoking bans in indoor spaces. How has the tobacco industry responded to the issue of secondhand smoke? 
Moments after the band Great White took the stage at the Station nightclub in Rhode Island, sparks from one of the group’s pyrotechnic devices—of which the nightclub was unaware—ignited the highly flammable sound insulation around the stage. The nightclub, which had no sprinklers, was engulfed in minutes, trapping many inside. One hundred people were killed, making it one of the deadliest nightclub fires in US history. How many people faced criminal charges in the aftermath of the tragedy? 
It wasn’t until the ninth century that the Lenten season, called the 
Beginning in the late 1970s, the English city of Manchester became the epicenter of a vibrant music scene that produced such seminal bands as Joy Division, Happy Mondays, and the Stone Roses. One of the key people behind the Manchester scene was Wilson, a record label owner, club manager, and journalist. The 2002 film 24 Hour Party People is based on his life. Despite his widespread influence, he made little money from his work and was unable to pay for what expensive medical treatment? 
It is not known when the potter’s wheel first came into use, but experts suggest it was developed between about 6,000 BCE and 2,400 BCE. Many modern scholars suggest that it was first developed in Mesopotamia, although Egypt and China are also possible places of origin. The device enables potters to utilize the energy stored in the wheel and direct it specifically to the point of contact between the clay and hands. What term is used to refer to the forming of a vessel on a potter’s wheel?