60 SECONDS

摘要

For the first time in 40 years, a new class of drug to combat tuberculosis has been approved by the US Food and Drug Administration. Bedaquiline blocks an enzyme vital for energy production in multidrug-resistant TB bacteria, which infect 630,000 people globally each year.rnThe drilling rig that ran aground in the Arctic on 31 December has been towed to an Alaskan bay where it will stay until seaworthy again. None of the oil products inside have escaped, but this has not stopped activists from petitioning the US government to revoke Shell's permit to drill off the coast of Alaska.