How two Australian sisters channeled their love of STEM and coral reefs into the most glorious participatory art project.

Rachel Sussman is obsessed with very old things that are still alive. She has spent years researching and tracking down the world’s oldest organisms. Here, take a look at just some of her photographs, and watch her 2010 TED Talk on the topic.

Funeral practices are deeply ingrained in culture and reflect beliefs and values. Here, take a look at just a few interesting funeral traditions from around the world.