caused

Rackspace stock plunges as courier outage caused by 'security incident' persists

Rackspace stock plunges as courier outage caused by ‘security incident’ persists

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As an outage in courier services provided by Rackspace Technology Inc. stretched into a fourth day on Monday, customers had questions, but the San Antonio company didn’t offer many answers. This has left some to fend for themselves as they look for other ways to communicate with customers and conduct business. Others have complained of …

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My toddler's teeth are black. It is caused by treatment to prevent more cavities in his teeth.

My toddler’s teeth are black. It is caused by treatment to prevent more cavities in his teeth.

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My family had terrible teeth for many generations. My daughter had three cavities in her front teeth when she was only one year old. Her dentist suggested treatment to prevent further cavities, but it left her teeth black. Loading Something is loading. Thank you for your registration! Access your favorite topics in a personalized feed …

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Bright light from black holes caused by particle shock waves

Bright light from black holes caused by particle shock waves

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Scientists have reported a “huge leap forward” in understanding light and other electromagnetic radiation emitted by black holes using NASA’s recently deployed $188 million IXPE Space Telescope. Beams of electrons crash into slower-moving particles, causing a shock wave that results in electromagnetic radiation across frequency bands from X-rays to visible light, according to a research …

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Taylor Swift ticket problem caused by Ticketmaster's abuse of market power, says Senate antitrust chairman | CNN Business

Taylor Swift ticket problem caused by Ticketmaster’s abuse of market power, says Senate antitrust chairman | CNN Business

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New York CNN Business — Senator Amy Klobuchar slammed Ticketmaster in an open letter to its CEO, saying she had “serious concerns” about the company’s operations following a Tuesday service outage that left Taylor Swift fans furious. In the letter to CEO Michael Rapino, the Minnesota Democrat and chairman of the Senate Judiciary Subcommittee on …

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Tree Roots

Mass extinctions may have been caused by evolution of tree roots

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Evolution of tree roots may have triggered a series of mass extinctions, according to new research. Geologists are finding parallels between ancient extinction events on a global scale and modern threats to Earth’s oceans. A series of mass extinctions that rocked Earth’s oceans during the Devonian Period more than 300 million years ago may have …

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