Bit of Fun mascot the Jester Queen

Why do animals have such different lifespans?



Anyone who has outlived a favorite pet has probably wondered why life spans are so different. The average life of a dog is 10-13 years, but for the worm C. elegans, life is just a few short weeks.


The bowhead whale, on the other hand, can live over two hundred years. Why are these lifespans so different? And what does it really mean to Ďage' anyway?


Joao Magalhaes explains why the pace of aging varies greatly across animals. Of course the next question for humans who understand the limitations of life, is how can I extend my life?