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.
Evangelista Torricelli became the first scientist to create a sustained vacuum and to discover the principle of a barometer. Torricelli realized that the variation of the height of the mercury from day to day was caused by changes in the atmospheric pressure. Torricelli built the first mercury barometer around 1644.