Fish is delicious, but it can easily leave behind unappetizing odors after cooking. The solution is surprisingly simple, using a single pantry staple.

The main component of common cuttlefish ink — melanin — strongly sticks to shark smell sensors, possibly explaining why the predators avoid ink.

Chemical communication is a fundamental survival ... The ink confuses the predator’s sense of smell, allowing the sea hare to escape. Nature is an evolutionary arms race driven by olfactory ...

An odor-sniffing machine that shows the freshness of fish is expected to further the popularity of sushi and sashimi overseas. The portable device detects a smell associated with early decomposition.