A flurry of articles about Picower Institute’s Susumu Tonegawa’s paper implanting false memories in the mouse brain. They identified and tagged a memory engram for one environment, then activated that engram in a different environment while pairing it with shock.  Later, the animals showed fear in the first environment as if they were shocked there.
The Guardian
The New York Times
The cover of Science

The paper: Creating a false memory in the hippocampus

About the Author

The Miller Lab uses experimental and theoretical approaches to study the neural basis of the high-level cognitive functions that underlie complex goal-directed behavior. ekmillerlab.mit.edu