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Motorized bikes are set to hit national forests
How to avoid (and treat) hypothermia
What to do if you’re exposed to tear gas
Did a Swedish king really try to ban coffee with a deadly scientific experiment?
Our best bet against tick infestations might be fire
McLaren’s new sports car doesn’t need a roof, or even a windshield
Cannabis might help curb chronic pain, reducing the need for opioids
Five more companies will compete for NASA’s $2.6 billion moon purse
The best way to strip paint off a fighter jet? Laser-wielding robots.