PAGE A16 Debating Manatee's Fate Fast boats are striking slow manatees with increasing frequency in Florida.
El Niño has occurred with abnormal frequency in the last 20 years.
And Prokofiev's "Scythian Suite" turns up with some frequency in concert.
Sarkeesian started Feminist Frequency in 2009, while at graduate school, studying social and political thought.
Evolution itself has come to be defined as a change in gene frequency in a population.
"With increasing frequency in recent years, the Supreme Court has protected the right of commercial speech".
This requires a minimum light frequency, in agreement with experiment.
But the frequency in many countries in Africa and south-east Asia is unknown because records are poor.
So would playing as a mother, which remains a rarity in tennis despite its increased frequency in other sports.
Certain words, we learn, tend to crop up with startling frequency in novels that hit the Times list.
Broadcasting on the FM frequency in London, Xfm has an audience of 502,000 according to the latest Rajar figures.
