Several members of Congress wrote to government officials about the recent Zika virus outbreak in Brazil and a suspected rise there in the number of microcephaly cases. But some of those letters overstated what’s known about these two phenomena.
FactCheck.org’s SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy. It was launched in January 2015 with a grant from the Stanton Foundation. The foundation was founded by the late Frank Stanton, president of CBS for 25 years, from 1946 to 1971.
While on the campaign trail in New Hampshire, Republican presidential candidate Ted Cruz gave a speech to local residents that contained inaccurate and misleading claims about climate science and its terminology.
In dueling TV ads, foes of the federal ethanol mandate claim that it “doubles greenhouse gas emissions,” while the ethanol lobby says that “the oil industry is lying” and the mandate will lead to lower emissions.
The acting head of the Drug Enforcement Administration claimed that smoking marijuana has “never been shown to be safe or effective as a medicine.” That’s false: though information is limited on the topic, several studies have found smoked marijuana has medical benefits and mostly mild side effects.
The chairman of the House Committee on Science, Space, and Technology has made several inaccurate or misleading claims about climate science in an ongoing battle with the National Oceanic and Atmospheric Administration.
Ben Carson claimed that prevailing theories of how the universe began and how planets and stars formed violate the second law of thermodynamics. His comments represent a misunderstanding of scientific concepts.