Week in review
By Surabhi Bhatt, Adnin Zaman and Faiza Arif | January 18, 2012For the first time in the United States, surgeons replaced a man's cancerous windpipe with a synthetic one covered with stem cells from his bone marrow. The Environmental Protection Agency has released an online map displaying the nation's major greenhouse gas emitters. Experts discovered a new species of shrimp which inhabit the deepest volcanic ocean vents and may have heat vision. Scientists have found that the climactic phenomenon La Ni