Commentator Mary Sojourner proposes that humans follow the lead of a fellow mammal -- the bear -- and slow down at this time of year. Winter officially arrives on Sunday.
Many users are concealing their public photos and sharing instead in private spaces. It's something of a protest against the over-sharing culture of social media. And Gen Z is driving the trend.
Where did the idea come from that individuals, rather than corporations, should keep the world litter-free? What history is hidden in the trash? Find out here.