Nature is full of evolutionary selflessness. From deep-sea octopuses to certain marsupials, there are animals and insects that reproduce and then die, as their lives can be cut short because they ...

Why nature allows animals to have litters but not humans is a question that comes naturally when we compare ourselves to the ...

There have been some large animals discovered over the course of history. In the 1960s, the largest bear ever caught outsized the average elephant, and this bear still holds the record today. The ...