What killed off North American megafauna, and...

First up on the podcast, we discuss a finding that’s likely to reignite debate over how humans first spread through the Americas. In the late 1990s, a site in southern Chile called Monte Verde forced archaeologists to adjust their views of the peopling of South America because it ...  Show more

First up on the podcast, freelance journalist Evan Howell traveled to Cape Blossom, Alaska, where the receding coastline has revealed an ancient trove of glacial ice that may have survived for 350,000 years—making it the oldest ice in the Northern Hemisphere. Now researchers just ...  Show more

The All of Us Research Program is undergoing the herculean task of gathering genomic data from over one million people living in the United States, from widely different backgrounds, in the hopes of accelerating health care research. However, within the scientific community many, ...  Show more

Since the Covid-19 pandemic began, scientists studying the virus have become targets of online harassment, and more recently, death threats. Roland speaks to Dr Angela Rasmussen, virologist at the Vaccine and Infectious Disease Organization at the University of Saskatchewan, abou ...  Show more

Humans have introduced more than 37,000 alien species to places they do not naturally occur. A report launched this week by the Intergovernmental Platform on Biodiversity and Ecosystem Services revealed the shocking extent of the damage. Gaia Vince speaks to one of the report’s c ...  Show more

New recordings featuring the voices of 53 species of turtle, caecilian and tuatara previously thought to be silent have illuminated the evolutionary origins of vocal communication. Gabriel Jorgevich-Cohen a PhD student at the University of Zurich has travelled the world collectin ...  Show more