The sea otter has a pouch and keeps tools - rocks to split shells - in it.

Apomixis is a natural sort of plant reproduction.

The triple alpha process is half the explanation of how oxygen, and other elements carbon and nitrogen, are formed in stars. The other half is explained by the CNO cycle.

Annato I knew was used to color cheeses. I realized I had no idea what it is.

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.