The Kelvin scale is the standard scale for many scientific fields, but the related Celsius scale is handier for everyday life on Earth.

A Brazilian friend told me once that when he arrived in Spain, he developed a taste for sobrasada (a very typical charcuterie from the Balearic islands). And so my friend would often buy sobrasada and bring it to the breakfast table every morning.

And, of course, many a Viking child would be conceived in the bed furs by Viking men and women who were bored and lustsome.

Annual HIV seroincidence and 95% confidence intervals (CIs) were calculated using the 155-day window period and the standard seroincidence formula as described elsewhere [20 ].