Eyebrows grow in a three- to four-month cycle of anagen, catagen and telogen phases -- the latter is when the old hair falls out and the new comes in. Best bet to get those brows regrowing, says Los Angeles salon-owner Kristie Streicher in New York magazine, is to not tweeze or wax at all -- for 15 weeks.
A drawing of a Wardian case. The first terrarium was developed by botanist Nathaniel Bagshaw Ward in 1842. Ward had an interest in observing insect behaviour and accidentally left one of the jars unattended. A fern spore in the jar grew, germinated into a plant, and the terrarium was born.
There are at least a few different ways you can answer this question. That is because, as is the case with a lot of inventions, the first person who came up with any sort of steam engine is not the person who is most famous. The first person you can credit is Thomas Savery. He invented a crude steam engine in 1698. The next one is Thomas Newcomen. He and a partner built a steam engine in 1712 that was able to pump water up out of mines. The most famous inventor of the steam engine was James Watt.