[morelisp]

Why do you think this is puzzling? This bias has been analytically and dynamically predicted for years.

[hurtuvac78]

Because I find it counter-intuitive. And because I am not aware of scientific development in this field.

@bradrn on this thread kindly extracted the description of the proposed physical model from inside the paper, it is helpful: https://news.ycombinator.com/item?id=37830265