Minutes after encountering danger, lemurs yawn
Madagascar primates’ behavior may indicate return to calmness
![lemur yawning](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/09/090415_bb_lemuryawn_free.jpg?fit=860%2C460&ssl=1)
OPEN WIDE Lemurs start yawning within 10 minutes of encountering threats in the wild, researchers say. These dangers may cause only moderate stress from which lemurs quickly recover, sparking yawns.
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