An in-depth look at the science behind the test and what the results do — and don’t — show.
The Facts on Elizabeth Warren’s DNA Test
Stories by Jessica McDonald
SciCheck Editor
Trump Wrong on Climate Change, Again
In two recent interviews, President Donald Trump said he is not convinced that climate change is due to human activity, and he suggested that any changes will reverse themselves — two ideas that lack scientific backing.
How Potent Is Methane?
Two federal agencies this month took steps that would allow the oil and gas industry to release more methane, a greenhouse gas, into the environment. Critics warned that methane is more potent than carbon dioxide at trapping the Earth’s heat, but some gave wildly divergent figures to describe how much more potent.
Trump Again Overblows Risks of Wind Power
In an Aug. 30 rally in Evansville, Indiana, President Donald Trump made three unsubstantiated claims about wind turbines, which he calls “windmills.”
Did the EPA Just Approve Use of Asbestos in the U.S.?
Q. Did the Environmental Protection Agency change its rules to allow companies to use asbestos in manufacturing?
A. No. Asbestos is already allowed in numerous products. A proposed EPA rule would prohibit the use of asbestos in certain products unless granted EPA approval.