While humans aren’t great at night vision, most of us can make out various objects in dim light thanks to a special light-sensitive protein rhodopsin. This chemical plays a much bigger role in the visual systems of ocean dwellers like whales, who travel through places where little light penetrates the depths of the water. A new study […]
Tag: killer whales
The real reason why female killer whales go through menopause 
Killer whales are one of only three species to survive long past their reproductive years. It was thought that the main reason for menopause in female whales was family collaboration, since older females play a crucial role in helping find food for the younger family members. But a new study shows that older females’ calves […]
