Word: occurs
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...research teams in the U.S., Europe and Iceland have identified, for the first time, specific gene variants that appear to make some smokers and former smokers more susceptible than others to cancer. The two variants - or differences in a single nucleotide - exist in about 34% of the population and occur in genes in the same region of the long arm of chromosome 15. Those genes code for nicotinic acetylcholine receptors, cell-surface proteins that selectively bind to nicotine molecules. Once nicotine attaches to these receptors, a series of changes in the cells is triggered: in the lungs, for example, cells...
...world leader in cocaine trafficking, with an estimated $47 billion in annual revenue. But the toll has been heavy. The "Massacre of Ferragosto" - the gangland killing last Aug. 15 in Duisburg, Germany, of six young men from in and around San Luca - was the first major 'Ndrangheta killing to occur on foreign soil. Violent death is more common in Calabria, where three people were killed in a five-day period in late March near the town of Crotone...
...Chinese people, as over 400,000 people have been evicted from their homes to make way for stadiums and new highways. Few receive compensation, because in China, most land is “collectivized” and technically belongs to the central government. These injustices have continued to occur despite China’s earlier promises to move towards democracy...
...coastal cities. It certainly isn't winding up in the pockets of workers. An average miner makes $420 a month. That's not a bad wage for China, but the work is tough and dangerous. China's mines are the world's deadliest, and while most of the accidents occur in coal pits, the government says 2,188 died in gold and other metal mines last year. Such poor working conditions persist in China because workers' rights are weak and there are no independent unions...
...fact for quite a bit longer than that. Ed Reingold and Nachum Dershowitz, co-authors of the books Calendrical Calculations and Calendrical Tabulations, determined how often in the period between 1600 and 2400 A.D. Good Friday, Purim, Narouz and the Eid would occur in the same week. The answer is nine times in 800 years. Then they tackled the odds that they would converge on a two-day period. And the total is ... only once: tomorrow. And that's not even counting Magha Puja and Small Holi...