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.
Ocean animals have been getting bigger over the millennia, according to an analysis of thousands of genera that have plied Earth’s seas since the Cambrian Period.
Tiny fossil tracks embedded in a California rock formation that was once part of an ancient river may be evidence that freshwater ecosystems arose around 100 million years earlier than what is generally believed.