Biology
Chemosensory Foraging Strategies in Deep-Sea Scavengers
Quick fact
Some deep-sea amphipods can detect a single carcass from over a kilometer away by following chemical trails in the water, and they can track these plumes to their source with remarkable precision.
Why this is interesting
Imagine living in a world of perpetual darkness where food is a rare and precious gift that rains down from above. How would you find your next meal?