Only the brave: Scientists to ask if some salmon are too timid to survive

© PAA detail from the illustrated cover of The Salmon Who Dared to Leap Higher by Ahn Do-Hyun shows the feats of the fish as they take on high water and predators to spawn. Scientists are studying why so many don’t make it.
A detail from the illustrated cover of The Salmon Who Dared to Leap Higher by Ahn Do-Hyun shows the feats of the fish as they take on high water and predators to spawn. Scientists are studying why so many don’t make it.