The phrase "shaky science" refers to scientific studies or theories that may not be reliable or fully supported by evidence. It suggests that there could be doubts or flaws in the science behind something. Full definition
There is no justification for a war on outdoor cats — feral or otherwise — based on shaky science and an absence of ethical reasoning. (theconversation.com)
Unfortunately, the tree - ring problems throw the rest of the already shaky science onto even worse ground. (climateaudit.org)
His absorbing account details both the big business and the sometimes shaky science of sequencing: He follows fledgling biotech start - ups and the big fish gobbling them up, and he faults personal genomics companies for not considering environment and lifestyle in their clients» genetic assessments. (discovermagazine.com)