Parents won\u2019t shut up about their kids being precious. And with American birth rates declining, they\u2019re actually right. Geckos can help us perform surgery, and kingfishers can help us design trains. We dive into the world of biologically-inspired design. Being lonely isn\u2019t just bad for your emotional health, it\u2019s bad for your physical health. We talk about why Americans are lonelier than ever and what can be done about it.