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Trump Again Misunderstands California’s Wildfires

Trump Again Misunderstands California’s Wildfires

For the second year in a row, President Donald Trump inaccurately attributed California’s rash of wildfires to poor forest management. He also falsely said other states don’t have “close to the level of burn” as California.

What Does Science Say About the Need for Nuclear?

What Does Science Say About the Need for Nuclear?

Sen. Bernie Sanders has said “scientists tell us” that it’s possible to go carbon neutral without relying on nuclear power. Fellow Democratic presidential candidate Sen. Cory Booker, who backs the use of some nuclear energy, has said the data is on his side. Who’s right? Both have a point, but neither is telling the full story.

Instagram Post Falsely Links Flu Vaccine to Polio

Instagram Post Falsely Links Flu Vaccine to Polio

A popular Instagram post falsely claims “over 1,100 people died from reactions to the [flu] shot” in 2018, and suggests that the immunization gave some children polio. The flu vaccine cannot give anyone polio and there is no evidence to support the 1,100 figure.

Trump Bends the Facts on Lightbulbs

Trump Bends the Facts on Lightbulbs

President Donald Trump has repeatedly criticized energy-efficient lightbulbs, saying that the bulbs people are “being forced to use” are more expensive, contain hazardous gases and give off light that’s “not as good” as incandescents. Experts, however, say that’s an outdated and inaccurate description of the current technology.

Buttigieg Wrong About Climate Change’s Effect on Oceans

Buttigieg Wrong About Climate Change’s Effect on Oceans

In making his case for taking swift action on climate change, Democratic presidential candidate Pete Buttigieg inaccurately said that “we could lose half the world’s oxygen because of what’s going on in the oceans.” Scientists say that’s a misreading of the evidence.

Trump’s False ‘Facts’ on the Environment

Trump’s False ‘Facts’ on the Environment

Just as CNN was beginning its climate town hall event, President Donald Trump tweeted a list of “8 facts” boasting of the nation’s air quality and carbon emissions reductions. Several of his “facts,” however, are inaccurate or misleading.

Amazon Doesn’t Produce 20% of Earth’s Oxygen

Amazon Doesn’t Produce 20% of Earth’s Oxygen

Q: Does the Amazon produce 20% of the world’s oxygen?

A: No. Scientists estimate the percentage is closer to 6 to 9%, and the Amazon ultimately consumes nearly all of that oxygen itself. 

Trump’s False Auto Industry Tweets

Trump’s False Auto Industry Tweets

President Donald Trump inaccurately tweeted that his fuel efficiency plan would reduce the cost of cars “by more than $3000” and make them “substantially safer.” Even going by his administration’s analysis — which many experts doubt — he inflated the savings and is wrong about car safety.

Williamson Misleads on Children’s Health, Vaccines

Williamson Misleads on Children’s Health, Vaccines

In a July 31 television interview, Democratic presidential candidate Marianne Williamson inaccurately implied there might be a connection between vaccines and higher reported rates of childhood chronic diseases. She is correct that reported rates of chronic conditions in kids have increased over the last several decades, but there is no scientific evidence to suggest vaccines are the cause.

When Are Heartbeats Audible During Pregnancy?

When Are Heartbeats Audible During Pregnancy?

Q: When is the human heart fully developed, and when are heartbeats audible during pregnancy?

A: A developing heart has all of its primary structures after about nine weeks of pregnancy. Some forms of ultrasound can detect cardiac activity in an embryo in the sixth week, but a heartbeat wouldn’t be audible until about 10 weeks on a Doppler fetal monitor.