COGNICURRENT

The U.S. and South Korea plan joint military exercises called Freedom Shield, but South Korea proposes to reduce their scale to improve relations with North Korea, facing resistance from the U.S.

A study suggests that Bigg's killer whales may prey on the resident killer whale population in the North Pacific, prompting new theories about the social structure of resident orcas.

The article discusses the fascinating characteristics and adaptations of sea otters, highlighting their unique features and habitat in the North Pacific.