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The Scientist spoke with Chapman University’s Yu Zeng about his lab’s finding that the slime-producing cells of the slippery marine fish vary with the creature’s size, which may be an adaptation to thwart different predators.

Engineered antibodies trap and immobilize human sperm in the reproductive tract of female sheep, paving the way for possible use as a nonhormonal contraceptive in people.

Inspired by the land slug Arion subfuscus’s sticky, durable slime, researchers created a tough yet bendy biocompatible glue that can adhere to moist surfaces, including a beating pig heart.

When stretched, lung cells signal to each other by releasing ATP.