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Human World

Image via Ethan Siegel, Simon Swordy, NASA
FAQs | Jan 14, 2015

What is radiocarbon dating?

Unstable carbon-14 gradually decays to carbon-12 at a steady rate. The ratio of these carbon isotopes reveals the ages of some of Earth’s oldest inhabitants.

Image credit: NASA/JPL
Science Wire | Jan 13, 2015

NASA’s way cool retro posters for futuristic space travel

Making future travel plans .. with an emphasis on ‘future?’ Check out these exoplanet travel posters from NASA.

Image credit: Angus McNab/Julie McMahon
Science Wire | Jan 11, 2015

Dogs arrived in Americas only 10,000 years ago, says study

By associating with early humans, dogs enjoyed new foods and the relative safety of human camps. Eventually, dogs traveled the world with their two-legged masters.

Image via Wikimedia Commons
FAQs | Jan 09, 2015

When does the Age of Aquarius begin?

Age of Aquarius begins when vernal equinox point moves out of constellation Pisces and into Aquarius. There’s no definitive answer as to when that will be.

sheep
Blogs | Jan 08, 2015

Chinese New Year 2015 will ring in Year of the Sheep

This year’s Chinese New Year celebration for 2015 will fall on February 18-19. It’ll ring in the Year of the Sheep. Gong Xi Fa Ca, y’all.

atlantic-waves-La Palma island-Project-Nightflight-cp
Science Wire | Jan 07, 2015

Awesome new project Sounds of the Night

Project Nightflight in Austria has a new web platform, presenting not just astrophotos, but also the sounds they heard while capturing them. It’s wonderful.

7-billion-population
Science Wire | Jan 06, 2015

Video: Human population by the billions

When did our human population reach one billion? How long to add each billion after that, to bring us to the 7+ billion humans on Earth today? What’s next?

Expect high tides to follow a supermoon
FAQs | Jan 05, 2015

When is the next supermoon?

2015 has six supermoons. The closest on September 28 will also undergo a total lunar eclipse.

Via teachertech.rice.edu
Blogs | This Date in Science | Jan 04, 2015

This date in science: Isaac Newton’s birthday

Isaac Newton was born on January 4, 1643. His insights laid a foundation for our modern understanding of celestial motion, light and gravity.

Nope, planets aren't aligning.  Image via BringingBackAwesome.com
Science Wire | Jan 02, 2015

Planetary alignment January 4 will make us weigh less? Of course not

The idea we will all weigh less and even experience a floating sensation due to a planetary alignment on January 4, 2015 (#zeroday) is entirely false. Sigh.