A scientist's evidence is thought to be reliable because it will have been tested and verified at every stage. This is not, of course, infallible as scientists are subject to human error as much as the rest of us.
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
Recorded Answer
Current status:
Beginning in 35 seconds.