Things We Don't Know

Apparently, I experience ‘High Place Phenomenon’. As a climbing instructor, I’m used to people saying “I can’t go any further – I’m afrai...

Many chemists will be shocked to discover that carbon-based hydrogens can hydrogen bond . Weakly. But actually. If you're not a chemis...

One of our five senses, it is the most complex, the most evocative, and the most mysterious sense – But we don’t know how to talk about it ...

Why is stainless steel stainless? Iron vs Steel Steel is made from iron, but it’s not the same thing: steel is an alloy - iron doped ...

A number of astute observers have already noticed (and clicked on) two mysterious links that have appeared on the Things We Don’t Know hom...

By now, you’ve probably heard the hubbub in the news about the hypothetical “Ninth Planet” in our Solar System, and, unfortunately for thos...

What holds the world together? It sounds like a simple question - but it isn’t.We know of four fundamental forces of nature that seem to ...

The formation of Deimos and Phobos, the moons of Mars, is still somewhat of a mystery. They were discovered by Asaph Hall in 1877, and obse...