Heated tobacco product touted as safer alternative to cigarettes is no less dangerous than smoking, studies find

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In 30 countries around the world, consumers can slide a roll of dried tobacco into a sleek device, heat it to 350 degrees and inhale. The result is a hit of nicotine that feels like it’s coming from a traditional cigarette without producing any smoke.

Tobacco giant Philip Morris International wants…

MacArthur winner Sarah Stewart explores how random collisions shaped our planet and solar system

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As a young Trekkie, Sarah Stewart knew she wanted to study distant worlds. But as a kid, she never imagined where that interest would lead.

“Nobody as a little child thinks, I’m going to grow up and have a lab full of cannons,” said Stewart, a planetary scientist who was awarded a “genius” fellowship…

The longest lunar eclipse of the 21st century is coming on Friday: Here’s what you need to know

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The longest lunar eclipse of the 21st century is coming up, and you don’t want to miss it.

On Friday, the moon will be fully engulfed in the heart of Earth’s shadow for 1 hour, 42 minutes and 57 seconds.

It doesn’t get much better than that. The longest possible duration of a lunar eclipse is one…

An extra dose of testosterone increases men’s preference for high-status luxury goods, study says

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An extra shot of testosterone, it seems, makes a man act like an animal.

You know the type: one of those male birds who unfurls some of his most spectacular feathers when the ladies are around, or the buck who uses his crown of antlers to advertise his virility. In short, an animal prone to making…

Firefighter shot dead while ‘doing what all first responders are called to do — help those in need’

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It began as a routine call for Long Beach firefighters: A fire alarm had gone off before dawn Monday at an 11-story housing complex for seniors.

As crews made their way to Covenant Manor, more details started to come in. There had been an explosion and a fire. People smelled gasoline. When firefighters…

Koko, the gorilla whose sign language abilities changed our view of animal intelligence, dies at 46

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Koko the gorilla doted on her pet kitten as if it were her own child. To the amazement of her human handlers, she seemed able to capture the joys and annoyances of maternal love in strings of simple words.

“Soft,” Koko said in sign language while cradling the kitten, which she named All Ball because…

Foods that are both fatty and sweet can hijack the part of the brain that regulates food consumption

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It may have taken thousands of generations of hunting, gathering, farming and cooking to get here. But in the end, the genius of humankind has combined fats and carbohydrates to produce such crowning culinary glories as the doughnut, fettuccine Alfredo, nachos and chocolate cake with buttercream…

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