Where did it come from? More than three years into the pandemic with untold millions of people dead, that question about the origin of Covid-19 remains widely disputed and fraught, with facts sparkling amid a tangle of analyses and hypotheticals like Christmas lights strung on a dark, thorny tree. One school of thought holds that the virus, known to science ... Show More
Nov 24
The Autism Diagnosis Problem
<p>Once primarily limited to severely disabled people, autism began to be viewed as a spectrum that included children and adults far less impaired. Along the way, the disorder also became an identity, embraced by college graduates and even by some of the world’s most successful p ... Show More
32m 40s
Nov 23
Sunday Special: Wicked, Good?
<p>“Wicked” was one of the biggest movies of 2024. It was culturally ubiquitous, a box office smash and an Oscar nominee for Best Picture. Now, a year later, “Wicked: For Good” arrives in theaters to finish the tale of the complicated friendship between Glinda the Good Witch and ... Show More
51m 44s
Jun 2020
China's Wet Market Workover
<p>The COVID-19 pandemic has had a profound impact on our relationship with wildlife. The virus that causes COVID-19, SARS-CoV-2, is zoonotic, which means it originated in an animal. Experts believe the virus emerged in bats then jumped to an intermediary host, possibly pangolins ... Show More
26m 52s
Apr 2024
What to know about the new bird flu outbreak
<p><span style="background-color: transparent; color: rgb(0, 0, 0);">For the first time, a virulent strain of bird flu has been detected in U.S. dairy cows. Fragments of the virus have also been found in commercial milk. Today, health reporter Lena Sun shares the latest on the ou ... Show More
27m 31s