Online news editor David Grimm shares stories on evidence for the earth being hit by supernovae, record-breaking xenotransplantation, and winning friends and influencing people with human sacrifice. Staff news writer Jocelyn Kaiser joins host Sarah Crespi to discuss how small membrane-bound packets called “exosomes” might pave the way for cancer cells to move into new territory in the body.   [Image: Val Altounian/Science] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online news editor David Grimm shares stories on yeasty hitchhikers, sunlight-induced rockfalls, and the tiniest gravity sensor. Andrea Adamo joins host Sarah Crespi to discuss a revolutionary way of making drugs using a portable, on-demand, and reconfigurable drug factory.   [Image: Tom Evans] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online News Editor David Grimm shares stories on SeaWorld’s plans for killer whales, the first steps toward silicon-based life, and the ripple effect of old dads on multiple generations. Andrew Curry joins host Sarah Crespi to discuss a grisly find in Northern Germany that suggests Bronze Age northern Europe was more organized and more violent than thought. [Image: ANDESAMT FÜR KULTUR UND DENKMALPFLEGE MECKLENBURG-VORPOMMERN/LANDESARCHÄOLOGIE/S. SUHR ] Learn more about your ad choices. Visit megaphone.fm/adchoices

News intern Nala Rogers shares stories on mineral-mining microbes, mapping hurricane damage using social media, and the big takeaway from the latest human-versus-computer match up. Hal Weaver joins host Sarah Crespi to discuss five papers from New Horizons Pluto flyby, including a special focus on Pluto’s smaller moons. [Image: Saran_Poroong/iStockphoto] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online News Editor David Grimm shares stories on the influence of governmental corruption on the honesty of individuals, what happened when our ancestors cut back on the amount of time spent chewing food, and how plants use sand to grind herbivores‘ gears. Science’s International News Editor Rich Stone joins host Sarah Crespi to discuss his forensics story on how to track down the culprits after a nuclear detonation. [Image: Miroslav Boskov] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online News Editor David Grimm shares stories on zombification by a frog-killing fungus, relating the cosmological constant to life in the universe, and ancient viral genes that protect us from illness. Chris Larson joins host Sarah Crespi to discuss a new type of robot skin that can stretch and glow. [Image: Jungbae Park] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online News Editor Catherine Matacic shares stories on what we can learn from 6million years of climate data, how to make lifelike orchids with 3D printing, and crowdsourced gender bias on eBay. Fernando Rosario-Ortiz joins host Sarah Crespi to discuss how approaches to water purification differ between countries. [Image: Eric Hunt/Wikipedia/CC BY-SA 3.0]0] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online News Editor David Grimm shares stories on how our abilities shape our minds, killing cancer cells with gold nanoparticles, and catching art forgery with cat hair. Laura Blanton joins host Sarah Crespi to discuss how nourishing our gut microbes may prevent malnutrition. Read the related research in Science. [Image: D. S. Wagner et al., Biomaterials, 31 (2010)] Authors: Sarah Crespi; David Grimm Learn more about your ad choices. Visit megaphone.fm/adchoices

Online news editor David Grimm shares stories on confessions extracted from sleepy people, malaria hiding out in deer, and making squishable bots based on cockroaches. Corinne Simonti joins host Sarah Crespi to discuss whether Neandertal DNA in the human genome is helping or hurting. Read the related research in Science. [Image: Tom Libby, Kaushik Jayaram and Pauline Jennings. Courtesy of PolyPEDAL Lab UC Berkeley.] Learn more about your ad choices. Visit megaphone.fm/adchoices

Online news editor David Grimm shares stories on killing cells to lengthen life, getting mom’s microbes after a C-section, and an advanced fitness tracker that sits on the wrist and sips sweat. Michael Yudell joins host Sarah Crespi to discuss an initiative to replace race in genetics with more biologically meaningful terms, and Lena Wilfert talks about drivers of the global spread of the bee-killing deformed wing virus. [Image: Vipin Baliga/(CC BY 2.0)] Learn more about your ad choices. Visit megaphone.fm/adchoices