Why many roller coasters can't run in cold weather

The structure of some roller coasters makes them unable to operate in cool weather. Here's why.

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  • Exclusive: Mexico's president expected to ask Biden to share U.S. vaccines, say sources

    Mexican President Andres Manuel Lopez Obrador is expected to ask President Joe Biden to consider sharing part of the U.S. coronavirus vaccine supply with its poorer southern neighbor when the two leaders hold a virtual summit on Monday, U.S. and Mexican officials said. Biden is open to discussing the matter as part of a broader regional effort to cooperate in the fight against the COVID-19 pandemic but will maintain as his “number one priority” the need to first vaccinate as many Americans as possible, a White House official told Reuters on condition of anonymity. Lopez Obrador has been one of the most vocal leaders in the developing world pressing the richest countries to improve poorer nations’ access to the vaccines.

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  • Philippines' Duterte signs indemnity bill for COVID-19 vaccine rollout

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  • Arrival of 'sticky bombs' in Indian Kashmir sets off alarm bells

    Security forces battling a decades-long insurgency in Indian-controlled Kashmir are alarmed by the recent arrival in the disputed region of small, magnetic bombs that have wreaked havoc in Afghanistan. "Sticky bombs", which can be attached to vehicles and detonated remotely, have been seized during raids in recent months in the federally administered region of Jammu and Kashmir, three senior security officials told Reuters. "These are small IEDs and quite powerful," said Kashmir Valley police chief Vijay Kumar, referring to improvised explosive devices.

  • Nasa’s DC headquarters renamed after ‘Hidden Figures’ engineer Mary Jackson

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  • Ben Sasse on Matt Gaetz: 'That guy is not an adult'

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