Emphasis in the science forums is on fact based discussion. Assertions unsupported by facts should be avoided. Familiarity with the major consensuses of science and the supporting data is expected. Science threads with specific topics should not be turned into remedial science courses.
There's a good reason for this. Without this the basics of science could be challenged in every science thread, turning them all into discussions of science basics instead of the original topic.
Challenging any particular basic aspect of science should be done in separate threads which can be proposed over at Proposed New Topics.