About 90%. The reason that the number is so high is that while people were discovering things via some method that resembled the scientific method, "scientist" was not an occupation. Science was pretty much invented by Sir Isaac newton and the number of scientists has exploded and increased exponentially since this time, hence the large percentage of scientists alive today.
For a full analysis of this question, including research on the number of PhD's granted in major countries since 1900, see Eric Gastfriend's work on the Future of Life Institute's blog. He concludes that around 80-90% is probably correct.
Of course they do. Scientists believe anything that they think is true.
genes
Yes but he will soon :(
As of February 23rd, 2016, Bill Gates the Co-Founder of Microsoft is still alive.
Today, scientist rely primarily on information about the chemical makeup of cells to determine evolutionary history.
Scientists estimate that the species alive today make up less than 0.1% of those that have ever lived. See: http://www.sparknotes.com/biology/evolution/speciation/section3.rhtml
Stephen Hawking
Stephen Hawking
There are encountless animals that live in the present and that lived in the past. It maybe so that scientists have not found the remains of some animals that lived in the past.
Some do say that unicorns are alive but scientists have no evidence of their existence.
Jane Goodall
Stephen hawkings and Jane Goodall
The blue whale, alive today.
the resurch documents that many blacks alive today have grandparents today who were slaves authoe no percentage it did say many
like maybe 3%
No, megadolon are an extinct species of shark that lived roughly from 28 to 1.5 million years ago.
the fish is coelocanth