Hypatia of Alexandria was a female mathematician and philosopher murdered by a Christian mob in 415 AD.

First impressions can form within seconds of meeting someone.

Fact #954 · General

Memories are reconstructed each time you recall them.

Fact #1786 · General

A group of kittens is called a kindle.

Fact #1338 · General

There are mysteries unsolved.

Fact #2310 · General

Emotions can influence how memories are stored and recalled.

Fact #962 · General

The Wright brothers achieved powered flight in 1903.

Fact #46 · General

Zhangye once stood along the Silk Road as a trade hub.

Fact #1670 · General

The FBI's COINTELPRO targeted several activist groups in the 1960s and 1970s.

Fact #1072 · General