Shadows of two failed searches loom over physics
There were no detections of dark matter particles this year and no signs of supersymmetry
![searching for dark matter](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/122416_tom-essay_main.jpg?fit=860%2C460&ssl=1)
DOUBLE DARKNESS The failure to detect dark matter particles suggests scientists might need new strategies for unlocking the secrets of the cosmos.
David Curtis