Shock at mystery ancient tree deaths: Many of the oldest and largest specimens of Africa's baobab tree have died over the past 12 years.
Source: bbc.co.uk
How to “nudge” smokers to reduce tobacco use? - reduce the nicotine in cigarettes. Now@NEJM: Health problems due to smoking account for 6 million deaths annually and are the leading cause of death worldwide. Despite the dramatic reduction of smoking rates in the past 50 years in the U.S., nearly...
Source: nejm.org