Thunder is usually described as the noise lightning makes, which suggests the bolt itself is loud in the way a bell or an engine is loud. It is not. Lightning…
Watch the top of an escalator for a few seconds and something slightly impossible happens. A flat plate slides out from under a comb, then rises into a step, then…
Source: Wikipedia
Handedness looks like it should be a simple trait. It is visible, it is binary in everyday terms, and everybody has one. It turns out to be none of…
This is one of the stranger problems in biology, and it went unsolved for a long time because every intuitive answer fails. The roots are not pushing hard enough. There…
Almost all of them are descriptions, not decorations. Here are seventeen.
1. A Trade Name Means the Trade Was There
Streets named for tanners, bakers, coopers, dyers, weavers or smiths…
The least designed-looking thing in the street, and all of it is deliberate. Here are ten.
1. The Backrest Decides How Long You Stay
A bench with a back supports…