About 80% of orange cats are males, including the four orange cats owned by the Short Wave team: Zuko, Benny, Tang and Dorito. Scientists have long suspected that their orange color was a sex ...

SUMMERS: So I know that you've brought us three science stories that caught your attention this week. Tell us what they are. BARBER: The mutation that makes orange cats orange. KWONG: And a bike ...

Emily Kwong and Regina Barber of Short Wave talk about a tool to increase biker safety, the genetic secrets that make orange cats orange, and a link between gum disease and heart rhythm disorders.

REGINA BARBER, BYLINE: Hey. SUMMERS: So I know that you've brought us three science stories that caught your attention this week. Tell us what they are. BARBER: The mutation that makes orange cats ...

Juana Summers is a political correspondent for NPR covering race, justice and politics. She has covered politics since 2010 for publications including Politico, CNN and The Associated Press. She got ...

Emily Kwong and Regina Barber of Short Wave talk about a tool to increase biker safety, the genetic secrets that make orange cats orange, and a link between gum ...

KUOW is Seattle’s NPR news station. We are an independent, nonprofit news organization that produces award-winning journalism, innovative podcasts, engaging community events, and more.

“In a number of species that have yellow or orange pigment, those mutations almost exclusively occur in one of two genes, and neither of those genes are sex-linked,” said lead author Dr. Christopher ...