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…
The gas is dissolved, not bubbled, and it is all trying to leave. Here are fifteen.
1. There Are No Bubbles in a Sealed Bottle
The carbon dioxide is dissolved…
The intuitive model of a mosquito bite is that something sharp went into you and the hole is now irritated. Almost none of that is right. There is no single…
The ear is usually described as a funnel with a nerve at the end of it, which makes hearing sound like a straightforward matter of collecting sound and passing it…