What johnson meant was that with his shortsightedness he 'd have to creep along the ground on all fours to be able to see those things that it is necessary for a botanist to see .
Liquid crystals were discovered in 1888 by an austrian botanist called friedrich reinitzer , but it was not until 1968 that the first experimental lcd screen flickered into life at rca 's laboratories in new jersey .
The leaf shown on the banknotes has five major lobes , unlike any maple tree native to canada , while the sugar maple has just three lobes , says julian starr , a botanist at the university of ottawa .
Two hundred and fifty years after swedish botanist carl linnaeus devised a formal system for classifying the diversity of nature , the catalog for some classes of living things-such as mammals and birds-is nearly complete , the study says .
Forty-five years on , the french botanist 's gardens have grown massive in scale .
四十五年过去,这法国植物学家的花园规模更大。
The 17-member team includes new york-based narchitects , lighting artist leo villareal , and french botanist patrick blanc , known primarily for his vertical gardens .