The sprouting of a seed is crucial to not only the beginning of a plant’s life, but all life on earth. Despite this fundamental process of importance to plant biology, scientists are baffled over how seeds detect when there’s enough water to germinate. This mystery is now beginning to unfold and nothing less than finely tuned engineering is the clear result.
 

Bats have the amazing ability to accurately and consistently detect the speed of sound.¹ This enables them to employ a complex system of echolocation in the dark of night to find food in mid-flight and to avoid slamming into trees.