Sentence examples for ago and have contributed from inspiring English sources

Plants colonized terrestrial environments approximately 480 million years ago and have contributed significantly to the diversification of life on Earth.

In a sector that's depressed, the department's success in helping students gain employment – from around 60% four years ago to 90% in 2012 – is impressive, and has contributed significantly to its jump up the table.

and has contributed to GQ, Deadspin and Something Awful.

Since the time of our last common ancestry with chimpanzees, millions of years ago, it may have contributed to the de-weaponization of maleness, including the elimination of self-sharpening male canine teeth, the reduction in male body size relative to females, the elimination of infanticide by ascendant alpha males, and the origin of paternal investment in their offspring.

While public health interventions, initiated more than two decades ago, have contributed to the decline in lung cancer mortality, the impact of the reduction in cigarette smoking may become more obvious in the next decades, given the long latency period of lung cancer.

6,300 developers and administrators have contributed to Zimbra.

Studies of circadian rhythms in algae, a large and diverse group of eukaryotic organisms that include uni- and multicellular forms, have contributed significantly to our understanding of molecular clocks since their beginnings more than six decades ago.

She and her husband have contributed generously to the university.

Investors and hedge funds have contributed to the run-up.

And that may have contributed to its troubles.

We considered including the chimpanzee genome, but with its draft status and because it had only recently diverged from the human genome 5.4 million years ago, the chimpanzee genome would not have contributed significantly to the analysis.