(Oksana Parafeniuk/For The Washington Post)
Kyiv says the Army of Drones Bonus system, in which points may be redeemed for weapons, is the first of its kind anywhere.
(Washington Post illustration; iStock)
The research has implications for addictive behaviors and diseases of aging such as Alzheimer’s.
Read opinion pieces from other publications and see how the country is engaging with the biggest stories. Ripple operates independently from The Washington Post News and Opinion departments.