The investigators say they found no evidence that the university's scientists cheated to prove the existence of human-caused climate change.
VOA: special.2010.04.27
He promised to spend his remaining years in search of designs that could make human existence on Earth easier.
VOA: special.2010.05.30
Since ancient times, thinkers including the Greek astronomer Ptolemy believed in the existence of a huge continent on the South Pole.
VOA: special.2009.06.03
The surrounding area does not make you suspect the existence of such a great opening in the earth.
VOA: special.2009.10.07
Learning about the existence of these HeLa cells was an emotional and difficult experience for the family.
VOA: special.2010.07.21
Scientists use the word biodiversity to describe the existence of many kinds of plants,animals and other organisms.
VOA: special.2010.05.25
She had died so many years before him that local tradition noted very little of her existence.
VOA: special.2009.10.31
Evidence of their existence has been found in more than two thousand five hundred places so far.
VOA: special.2009.10.07
Scientists say extensive observations from earth-based telescopes are needed to confirm the existence of the planets.
VOA: special.2011.02.09
The expression, to lead a dog's life, describes a person who has an unhappy existence.
VOA: special.2010.05.30
Another team of researchers recently reported on the existence of two colors from different dinosaurs.
VOA: special.2010.03.16
The age of the corals would make them among the oldest living creatures in existence.
VOA: special.2009.05.12
The study showed that pandas have been in existence for up to three million years.
VOA: special.2010.01.19
The existence of the North Pacific Garbage Patch first gained public attention in nineteen ninety-seven.
VOA: special.2009.09.22
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