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Human World

Sentinel-1A liftoff
Blogs | Videos | Apr 07, 2014

If you could ride a rocket to space, here’s what you’d see

Cameras mounted on the upper stage of a Soyuz rocket last week looked earthward during a satellite launch.

Photo cedit: National Institute of Standards and Technology
Science Wire | Apr 04, 2014

New atomic clock won’t gain or lose a second in 300 million years

The NIST has launched a new hyper-accurate atomic clock for the U.S. time standard called NIST-F2. The clock uses a ‘fountain’ of cesium atoms to determine the exact length of a second.

facial-expressions
Science Wire | Apr 04, 2014

Computer maps 21 distinct emotional expressions

… even seemingly contradictory ones, like “happily disgusted.”

7.6-magnitude earthquake April 3, 2014
Blogs | Apr 03, 2014

Another powerful earthquake rocks northern Chile

For the second time in two days, a powerful earthquake has struck Chile. Today’s quake was 7.6 magnitude. It’s considered an aftershock of the 8.2-magnitude quake on April 1.

March 29, 2014 X-flare via NASA SDO
Blogs | Videos | Apr 01, 2014

Aurora alert for April 1 and 2

The first of three sets of solar particles are now en route to Earth and are expected to deliver glancing blows to Earth beginning April 1 and into April 2.

invisibillity-cloak
Science Wire | Mar 31, 2014

Breakthrough in invisibility cloaks, stealth technology

Scientists can create artificial nanostructures that can ‘bend light.’ But the challenge has been making enough of the material to turn invisibility cloaks into a practical reality.

Cyclone Hellen on Mar. 29, 2014 via NASA
Blogs | Mar 31, 2014

Tropical Cyclone Hellen crushing parts of Madagascar

Meteorologists said Hellen was likely to be “one of the most powerful tropical cyclones ever seen over the northern channel [of the southwestern India Ocean] since the satellite era (1967).”

Photo by Ted S. Warren via the Concord Monitor.
Blogs | Mar 27, 2014

What causes landslides?

The primary cause of a landslide is the influence of gravity acting on weakened materials that make up a sloping area of land.

Photo creditL Annie Lewis
Blogs | Photos | Mar 27, 2014

Miss the moon and Venus this morning? Photos here

Photos from friends around the world of the March 27 and March 28 pairing of the moon with Venus. Thank you, everyone, for posting!

crow
Blogs | Videos | Mar 26, 2014

Video: Smart crow!

A BBC production shows a crow solving an 8-step puzzle to get food.