
The universe’s star formation history and a powerful new helper for evolution
In a fast-changing environment, evolution can be slow—sometimes so slow that an organism dies out before the right mutation comes along. Host Sarah Crespi speaks with Staff Writer Elizabeth Pennisi ab...
29 Marras 201827min

Exploding the Cambrian and building a DNA database for forensics
First, we hear from science writer Joshua Sokol about his trip to the Cambrian—well not quite. He talks with host Megan Cantwell about his travels to a remote site in the mountains of British Columbia...
22 Marras 201824min

The worst year ever and the effects of fasting
When was the worst year to be alive? Contributing Correspondent Ann Gibbons talks to host Sarah Crespi about a contender year that features a volcanic eruption, extended darkness, cold summer, and a p...
15 Marras 201833min

A big increase in monkey research and an overhaul for the metric system
A new report suggests a big increase in the use of monkeys in laboratory experiments in the United States in 2017. Online News Editor David Grimm joins host Sarah Crespi to discuss which areas of rese...
8 Marras 201820min

How the appendix could hold the keys to Parkinson’s disease, and materials scientists mimic nature
For a long time, Parkinson’s disease was thought to be merely a disorder of the nervous system. But in the past decade researchers have started to look elsewhere in the body for clues to this debilita...
1 Marras 201828min

Children sue the U.S. government over climate change, and how mice inherit their gut microbes
A group of children is suing the U.S. government—claiming their rights to life, liberty, and property are under threat from climate change thanks to government policies that have encouraged the use an...
25 Loka 201829min

Mutant cells in the esophagus, and protecting farmers from dangerous pesticide exposure
As you age, your cells divide over and over again, leading to minute changes in their genomes. New research reveals that in the lining of the esophagus, mutant cells run rampant, fighting for dominanc...
18 Loka 201823min

What we can learn from a cluster of people with an inherited intellectual disability, and questioning how sustainable green lawns are in dry places
A small isolated town in Colombia is home to a large cluster of people with fragile X syndrome—a genetic disorder that leads to intellectual disability, physical abnormalities, and sometimes autism. S...
11 Loka 201820min




















