Beauty is in the eye of the beholder. But it's also shaped by global norms. This hour, journalist Elise Hu reflects on what's considered beautiful now, and how we'll think about beauty in the future.

Eli Pariser has an optimistic vision for our digital public spaces. He says that by structuring them like real-life parks, libraries, and town halls, we can create more welcoming, safe places online.

Cone snails are deadly sea predators; their venom can kill fish and even humans. But chemical biologist Mandë Holford says that powerful venom can actually be used for good — to treat human diseases.