Ring species are like a snake whose tail gradually becomes a different species.

Reading about some missing Russian scientists, I also discovered Antarctica.

Transnistria is also known as the Pridnestrovian Moldavian Republic

Lonsdaleite is an obscure crystalline form of carbon, neither diamond nor graphite, but harder than diamond.

List of common misconceptions

Firefighting

Chartism was a democratic movement in 1800s Britain.

Chimerism is the term for rare individuals possessing two sets of DNA. It occurs in humans.
from Laura Lovejoy

You have probably heard of the "Golden Ratio." The Silver ratio was new to me.

Why haven't the spiral arms of the galaxy wound up tight? The density wave theory helps explain.

The Phantom Time Hypothesis posits that the years AD 614–911 did not exist.

Nuclear aircraft are necessarily hot and heavy. Research was done and test engines run. Follow the links for the details.

Metacognition is knowing about knowing.

The Texas sharpshooter fallacy, whereby information is manipulated into apparently having meaning.

The article on April Fools Day is not so foolish. Today.