A recent study found that owning a dog or cat may support healthy cognitive ageing in older adults - while keeping fish or birds showed no such benefit.

Rjukan, a town in Norway, receives sunlight through a giant mirror affixed to the side of a mountain. The town is surrounded by mountains that block sunlight for about six months of the year, from October to March.

Globally, on average, more than 10 percent of marriages are between first or second cousins.

Research has found that putting a smiley face emoji on a bill can bolster the average restaurant server’s tip by 11%.

In 2022, the California Supreme Court ruled that bumble bees could be classified as a protected species because they met the state’s legal definition of 'fish.'

In captivity, ravens can learn to talk better than some parrots. They also mimic a variety of sounds, like car engines, toilets flushing, and other animal and bird calls.

About 1 in 10,000 people (0.01%) are born with situs inversus, a rare condition where internal organs are arranged in a mirror-image reversal, with the heart and stomach on the right and the liver on the left.