Why are months so weird?

Calendars throughout history have struggled to be logical and maintain synchronism between the lunar cycle (about 29.5 days) and the solar year (about 365.25 days). Most systems include a bodge factor or intercalary months or days to bring things back into line, with varying degrees of accuracy. Sumerian The ancient Continue Reading

Roman Teeth Whitening

The Romans used human urine as a mouthwash and teeth whitener.  This may seem somewhat disgusting but it was effective. However, even in Roman times, it was not universally popular, as an extract from a poem by Roman poet Catullus, who was not fond of Egnatius, reads: Egnatius, because he Continue Reading

The First Computer Virus

In 1971, Bob Thomas at BBN Technologies created a self-replicating program, designed to infect servers on ARPANET, the precursor to the internet. Allegedly named after the Scooby Doo villain, the Creeper Virus infected the remote systems and displayed the message “I’m the creeper, catch me if you can!”. Ray Tomlinson, who also Continue Reading