That people will travel to Mars, and soon, is a widely accepted conviction within NASA. Rachel McCauley, until recently the acting deputy director of NASA’s Mars campaign, had, as of July, a punch list of 800 problems that must be solved before the first human mission launches. Many of these concern the mechanical difficulties of transporting people to a pla ... Show More
Yesterday
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
Feb 2021
Mars Gets Ready for Its Close-up
Mars Gets Ready for Its Close-up Mars has fascinated Earthlings for millennia, ever since we looked skyward and found the red planet. Through telescopes, probes, and robots, scientists have gazed at its red rocks, craters, and canyons—and the latest rover, Perseverance, is poised ... Show More
29m 43s