Latest

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An effect called the "urban heat island" means that temperatures are often 10 degrees higher in cities, according to NASA.
assholes
We all know assholes. Perhaps, you are one. Now, psychologists are trying to answer one of life's biggest mysteries: What, exactly, makes someone an asshole?
Immersive Learning
Immersive learning creates an interactive environment in which learners have the power to customize their experience. 
hyperloop
The Hyperloop is physically possible, but engineering challenges will make its construction very difficult. Also, accidents would be catastrophic.
Hyperloop
The hyperloop would be a great idea for a completely flat planet. With topography and infrastructure, it's a very different story.
"The pulsar sort of consumes the thing that recycled it, just as the spider eats its mate.”
Chatter represents the dark side of your inner voice.
Your inner voice can be the devil on your shoulder or the angel. It depends on where your focus lies.
biological age
Your old-fashioned chronological age is just a number. Your biological age can tell you how healthy you really are.
big crunch
13.8 billion years ago, the hot Big Bang gave rise to the Universe we know. Here's why the reverse, a Big Crunch, isn't how it will end.
Bernini created art for 8 different popes. In the process, he helped reinforce and redefine Christianity’s visual culture.
Now they're pointing the way to future battery technologies.
Human sacrifice
Human sacrifice appears to be as old as humanity itself. Still, experts disagree on how and where the practice first originated.
atom
Atomic clocks keep time accurately to within 1 second every 33 billion years. Nuclear clocks could blow them all away.
But does Amazon know when you're tired or hungry?