Whats Known About the SpaceX Crew Dragon Accident

During a series of engine tests of SpaceX's Dragon spacecraft this past Saturday, the vehicle experienced what the company has characterized as an "anomaly." Based upon an unauthorized leaked video of the accident, the company was counting down toward a firing of the Dragon's SuperDraco thrusters when the vehicle exploded. SpaceX has not validated the video, but it is consistent with verbal accounts of the failure that have been shared with Ars. After the accident, large dramatic clouds of orange smoke billowed above Landing Zone 1, where SpaceX conducted Saturday's engine tests. According to one source, the orange plumes were the result of between one and two tons of nitrogen tetroxide—the oxidizer used by Dragon's SuperDraco engines—burning at the location. …

Ancestry.coms Racist Ad Tumbles Into a Cultural Minefield

On Thursday, the world’s largest DNA testing company, Ancestry.com, pulled a video advertisement amid a cascade of criticism on social media. The ad, titled “Inseparable” and cinematically shot to portray a gauzy, gothic moment on the streets of the antebellum South, depicted a white man offering a black woman a ring and imploring her to “escape to the North” with him. In the captions, they are referred to as “lovers.” As the video ends, a stylized Canadian marriage certificate for the two characters dated 1857 appears and the voiceover urges the viewer to “uncover the lost chapters of your family history with Ancestry.” The ad appeared online earlier this month, but as BuzzFeed first reported, it didn’t draw much attention …