hypothesisdataconclusionexperimentobservationnewtonevidenceobjectivemodelskepticalbrainpopgravityindependentlabvomitcometbiologydependenttheoryproblemcontrolpseudoscie-ncegeologyearthsciencelawhypothesisdataconclusionexperimentobservationnewtonevidenceobjectivemodelskepticalbrainpopgravityindependentlabvomitcometbiologydependenttheoryproblemcontrolpseudoscie-ncegeologyearthsciencelaw