On this week’s show: A genetic roadmap back to tasty tomatoes, our first books segment, and a roundup from the daily news site

On this week’s show: An odd number of chromosomes may help tumors evade the immune system and a roundup from the daily news site

On this week’s show: Not all trees are equal when it comes to sucking up carbon, and a roundup from the daily news site

On this week’s show: What to do with tissue samples from Nazi research and a roundup from the daily news site

On this week’s show: Breakthroughs and breakdowns of 2016, a roundup of online news, and a year of science books

On this week’s show: Alexa Billow interviews Lizzie Wade on forensic anthropologists joining forces with parent groups in the search for Mexico’s disappeared, and a daily news roundup

On this week’s show: Alexa Billow interviews Joe Paton on slowing down and speeding up time, and a daily news roundup

On this week’s show: Alexa Billow interviews Bjorn Emonts on star birth in the Spiderweb Galaxy, and a daily news roundup

On this week’s show: Alexa Billow interviews Sam Kean on scientists that stay up all night, and a daily news roundup

On this week’s show: Alexa Billow interviews Elizabeth Pennisi on the role of hybrids in evolution, and a daily news roundup