Chile's Humboldt penguin could be facing extinction, experts warn

The Humboldt penguin population along the central coast of Chile has drastically declined, with scientists finding only one breeding pair this year compared to 842 last year, putting the species at risk of extinction according to experts.

What can we learn from fire ants? Maybe a lot

Experts say black fire ants arrived in the U.S. in 1918 and red fire ants in the 1930s, leading to a massive population increase, with five times more ants per acre than in South America, and they're infamous for their bites and stings.