It first became the world's most valuable company on Aug. 9, 2011, just 15 days before Steve Jobs resigned as CEO. It also holds the distinction of being the first company to hit market caps of $1 ...

Genetically modified animals have even been used to grow transplant ... and they could also make the most of their potential to alleviate hunger and disease worldwide. However, the full potential ...

From mammoth African elephants to giant whales, let's take a look at the 8 largest mammals that inhabit our planet.