Viviane Callier

Elephants did not evolve to become huge animals until after they turned a bit of genetic junk into a unique defense against inevitable tumors.
genomics

A Zombie Gene Protects Elephants From Cancer

Elephants did not evolve to become huge animals until after they turned a bit of genetic junk into a unique defense against inevitable tumors.

Minor genetic changes can have big evolutionary consequences. When a gene duplication gave some water striders a novel leg part, it opened up a new world for them.
evolution

Insects Conquered a Watery Realm With Just Two New Genes

Minor genetic changes can have big evolutionary consequences. When a gene duplication gave some water striders a novel leg part, it opened up a new world for them.

About the author

Viviane Callier, a biologist by training, works as a science writer at the National Eye Institute and freelances for various science news publications.