Biodiversity

Pok Man Leung, Monash University; Chris Greening, Monash University, and Steven Chown, Monash University Humans have only recently begun to think about using hydrogen as a source of energy, but bacteria in Antarctica have been doing it for a billion years. We studied 451 different kinds of bacteri...

Lee White, Australian National University The crucial climate change summit in Glasgow has just begun, and Australian Prime Minister Scott Morrison is bringing his widely criticised plan for net-zero emissions by 2050 to the negotiating table. Released last week, the plan promises to deliver deep ...

Communicating underwater is challenging. Light and odors don't travel well, but sound moves about four times faster in water than in air — which means marine mammals often use sounds to communicate. The most famous of these underwater vocalizations is undoubtedly the whale song. Stephanie Sardelis...

Pods of killer whales inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarchs can live 80 years or more and their expertise can mean the difference between life and death for their ...

Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then in numbers see how human behavior has made their tough lives even more challenging. [Lesson by Scott Gass, directed by Johan Sonestedt and Veronica Wallenberg, narrated b...

Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth’s jungles, oceans, and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth’s geological record. So what would happen ...