Anyone could make this mistake. The fact it happens all the time is frightening.

On average, what happens in this video occurs every 10 days. Let’s try and make that number ZERO by making sure a lot of people see this video. If we can prevent just one person from making this mistake, it would be worth it, right?

Nature

Couple in their 80s share the ‘plogging’ routine they’ve followed for 21 years

Making Sense of Science

Magician shares a mind-bending trick that makes people see ‘colors that don’t exist’

5 Things That Made Us Joyful This Week

Culture

In 1856, she became America’s first female super sleuth and thwarted an attempt on Lincoln’s life.