As long as the supply of nutrients is sufficient, the pirate bacterium refrains from catching prey and stands down its arsenal of weapons. However, putting the bacterium on a diet awakens its ...

As long as the supply of nutrients is sufficient, the pirate bacterium refrains from catching prey and stands down its arsenal of weapons. However, putting the bacterium on a diet awakens its ...

As long as the supply of nutrients is sufficient, the pirate bacterium refrains from catching prey and stands down its arsenal of weapons. However, putting the bacterium on a diet awakens its ...

It’s only when the nutrient concentration in its environment is low that Aureispira becomes predatory. As long as the supply of nutrients is sufficient, the pirate bacterium refrains from catching ...

The kingfisher made a straight dive into the creek and caught a fish with effortless ease before flying away with its meal.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Spiders spin silken ...

UC Davis researchers are using high-speed cameras to follow how dragonflies catch prey in flight. (Photo of blue dasher dragonfly by Getty Images) Despite their small size, dragonflies are arguably ...

But a wily fox will tilt its head side to side, listen for its prey’s skittering feet—and launch a daring airborne attack to retrieve the tasty morsel.

Trumpetfish use a number of tricks to catch prey, but research shows that one of their most effective tactics has much in common with human hunters’ subterfuge. By Annie Roth Trumpetfish like to ...

If a cat has a more pleasant personality − like if it is friendly with people and other cats − that could correlate with it catching less prey, said Emmanuelle Baudry, an ecologist and lead ...