In Panama, scientists are racing to find and save frogs before they succumb to a virulent fungus that's been killing amphibians around the world. Sabri Ben-Achour reports on the effort to get frogs into what they're calling 'amphibian arks.'
In Australia's Northern Territory, termites build mounds that are tall, thin, and aligned like compass needles. How and why the insects do this is not entirely clear. One entomologist offers some theories.
Scientists from the United States and Australia are teaming up to try and help save disappearing coral reefs, by freezing coral eggs and sperm, so that endangered species aren't lost. The coral can be grown in the lab, and then implanted on the reefs.
Australia's Prime Minister Kevin Rudd today offered a historic apology to the country's aboriginal people for the suffering they've endured at the hands of the government, but some aborigines say they want more than an apology