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Human World

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Science Wire | Jul 02, 2015

How do fireworks get their colors?

The colors in fireworks help create “ohhhhs” and “ahhhhs.” But what creates the colors?

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Science Wire | Jun 29, 2015

Leap second scheduled for June 30

World timekeepers will add one extra second on June 30, 2015. Meanwhile, a proposal to dump the leap second has been deferred until October.

Just how quickly are those thoughts bouncing around in there? Image credit: shutterstock
Science Wire | Jun 29, 2015

What is the speed of thought?

It feels instantaneous, but how long does it really take to think a thought?

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FAQs | Videos | Jun 27, 2015

Can a human singing voice shatter glass?

Not just any loud sound will shatter a glass. It has to be the right resonant frequency.

MIT researchers have successfully cooled a gas of sodium potassium (NaK) molecules to a temperature of 500 nanokelvin. llustration credit: Jose-Luis Olivares/MIT
Science Wire | Jun 24, 2015

MIT scientists set record for coldest molecule

Scientists have cooled a molecule down to 500-billionths of a degree above absolute zero, a million times colder than interstellar space.

Screen Shot 2015-06-22 at 10.09.29 AM
Science Wire | Jun 22, 2015

Sixth mass extinction is happening now

We are entering a mass extinction that threatens humanity’s existence, says a new study

Summer solstice sunrise.
Science Wire | Jun 21, 2015

Summer solstice seen from Stonehenge

Why do people gather at Stonehenge in England on the solstice? Info and photos here.

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Science Wire | Jun 18, 2015

A robotic dog’s mortality

When Sony stopped manufacturing replacement parts for its Aibo pet robot, owners scrambled to save the robot-dogs that had become part of their families.

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Science Wire | Jun 12, 2015

Global warming hiatus never happened

Studies had suggested that global warming slowed or paused since 1998. More thorough research shows the global warming “hiatus” likely never happened.

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Science Wire | Jun 09, 2015

Video: Fine dining in microgravity

An astronaut aboard the ISS prepares one of her favorite meals – quinoa salad with tomato, mackerel and leek cream in a warm tortilla. Here’s how it’s done in space.