Five Best Ideas of the Day: October 31, 2018 - The Aspen Institute

The United States should lower the voting age.

Livia Gershon in JSTOR Daily
Super-sniffing dogs can smell malaria parasites on your clothes.

Bukola Adebayo at CNN
To improve Twitter, kill the retweet.

Taylor Lorenz in the Atlantic
How a phone app helped at-risk people with obesity lose weight.

Alison Jones at Duke University
China wants more nuclear-armed submarines. Should we be worried?

Tong Zhao at the Carnegie-Tsinghua Center for Global Policy