In nature, there are four sorts of letter (known, technically, as bases).
ECONOMIST: Chemists are trying to synthesise new varieties of life
Dr Mark Welch and Dr Meselson looked at this phenomenon in four sorts of gene in individuals from four species of bdelloid.
In fact, all of biology is based on just four sorts of so-called information polymers - proteins, DNA, RNA and also carbohydrates.
As it stands, the only options are a bland salad and a very tasty plate of blistered shishito peppers served with four sorts of salt: green tea, wasabi, hickory, and yuzu.
Four differently coloured dyes are used, each with a specific affinity for one of the four different sorts of base.
Fastcase, with seven full-time programmers, is working on new ways to display data, including a four-dimensional chart that sorts cases by relevance and time (see chart below).
The visitors' out-of-sorts display was summed up by four misses from Fernando Torres, who hit the post early on.
But despite showing some improvement on the U.S. Tour with three top 10s in his last four starts, McIlroy admitted he was still out of sorts.
Despite that, Razzaq looked out of sorts when he failed to make contact with four balls from Bond before lashing one high over mid-wicket which landed on the roof of the Sir Garfield Sobers pavilion.
Defending champion Frederick Jacobson was also out of sorts as he dropped three shots in his first four holes, including a double bogey.
Meanwhile, on the grounds outside the Enid A. Haupt Conservatory, there's a sculpture installation of four enormous portrait busts, one for each season, an homage of sorts to Renaissance painter Giuseppe Arcimboldo, whose whimsical portraits were composed of produce and plants.
WSJ: Big Pharma's Real Roots | Wild Medicine | New York Botanical Garden | By Joanne Kaufman
There are all sorts of organisms that have evolved on the earth in its long, long four billion years of history.
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