Timeline Wednesday 31 December 2014

Events on Wednesday 31 December 2014 5

• 2012 – 2014 Memory Engrams and Optogenetics His lab at MIT's Picower Institute made landmark discoveries using optogenetics — controlling neurons with light — to identify and manipulate specific memory cells (engrams) in mouse brains. In 2013, his team created a false memory in a mouse, demonstrating for the first time that memories could be artificially implanted.
• 2014 2014: Lewis Hamilton Mercedes Hamilton won his second title and first with Mercedes in the new turbo-hybrid era, beating teammate Nico Rosberg in a fierce intra-team battle.
• 2014 A Hard Day Starred in the crime comedy A Hard Day, playing a corrupt detective in an increasingly absurd cover-up. The film was a critical and commercial hit in South Korea.
• 2014 World Order Published World Order, a major work examining the nature of international order and the challenges of the 21st century, at the age of 91.
• 2014 West African Ebola epidemic Deadliest Ebola outbreak in history declared an international emergency An Ebola virus outbreak centered on Guinea, Liberia and Sierra Leone became the largest and deadliest in history, ultimately killing over 11,000 people. The World Health Organization declared it a Public Health Emergency of International Concern on 8 August 2014. The crisis prompted a major international medical relief effort.