Microfossil spectroscopy dates Earth's first animals

Molecular clock dates for the first animals to walk the Earth don't match the fossil record. Comparing the disparate DNA of two different species and extrapolating how long it would take for them to mutate from a common ancestor ...

Tiny 'water bears' can teach us about survival

Earth's ultimate survivors can weather extreme heat, cold, radiation and even the vacuum of space. Now the U.S. military hopes these tiny critters called tardigrades can teach us about true toughness.

Are zoos really a setting for ecotourism?

According to the World Association of Zoos and Aquariums, over 700 million people visit zoos each year (WAZA, 2012) and with the growing popularity amongst tourist the debate continues whether it is moral for animals to be ...