DNVN - Male bottlenose dolphins form the largest known multi-level alliance network outside of humans, researchers led by the University of Bristol have demonstrated. These intergroup alliances increase male access to a contested resource.

DNVN - A substance called glutamate, which can be harmful at high levels, may accumulate in parts of the front of the brain as a result of prolonged concentration.

Tiến sĩ Sandler cho rằng những con ichthyosaur đã ngự trị toàn bộ đại dương trên thế giới.