Big Ideas: September 4, 2019

In this edition: Scientists performed MRI scans on 33 dog breeds and found that selective tweaking by humans have not only changed the sizes, shapes, colors and behaviors of our canine pals but altered the very structure of their brains. Plus, these crystalline nets harvest water from desert air and turn carbon dioxide into liquid fuel—an invention that could provide drinking water to people who are living in water-stressed regions. And, a new pill that could push back the aging process.

Big Ideas: September 4, 2019