Questions
Research questions are the building block of our platform of scientific inquiry. Key questions are the ones at the heart of a mystery; every other question helps answer one of them.
7questions0answered0with no evidence yet
QuestionWhere it stands
Most likelyExtinctions were driven by climate change and human hunting over a longer period; Clovis gave way to…
Most likelyNo impact or airburst occurred; the proposed markers are terrestrial or background cosmic material…
Most likelyThe markers are background cosmic dust, volcanic or anthropogenic spherules, fire products or misidentified…
Most likelyThe claimed layers are of different ages, or their ages are not known well enough to say
Most likelyThe results do not support the conclusions because the age models, sampling and some identifications fail
Open4 answers, none ahead
Most likelyMeltwater from the retreating ice sheets weakened the Atlantic overturning circulation