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Posts by EarthSky Voices

Sea surface temperature anomalies, or differences from averages, in Celsius for February-March 2014. Image credit: NOAA
Science Wire | May 18, 2015

Pacific ‘blob’ is changing weather patterns

What does this year’s odd U.S. weather have in common with a huge spike in hungry, stranded sea lion pups on California shores? Both are linked to a giant patch of warm ocean water.

Belts of earthquakes (yellow) surround the Indo-Australian plate. Image credit: Mike Sandiford
Science Wire | May 12, 2015

The science behind Nepal earthquakes

Nepal sits on the boundary of the two massive tectonic plates that collided to build the Himalayas. Their ongoing convergence also means earthquakes.

Nothing goes faster than light. Image credit: Bastian Hoppe
Science Wire | May 11, 2015

Faster-than-light travel: Are we there yet?

There’s a cosmic speed limit that unfortunately means we won’t be firing up warp drive anytime soon.

Is humanity now ‘too big for nature?’ Photo credit: Mark Klett
Science Wire | May 04, 2015

Preserving nature in the Age of Humans

Scientists, philosophers, historians, journalists, agency administrators and activists grapple with what it means to ‘save nature’ in the Anthropocene.

A simulation of the dark matter structure in the universe.   This image covers an area of 20 megaparsecs, or about 1.3 billion light-years.  Image via CfA.
Science Wire | Apr 27, 2015

What is dark energy?

Instead of pulling galaxies in our universe together, gravity seems to be driving them apart. How can gravity be repulsive, when our everyday experience shows it’s attractive? To explain it, we need dark energy.

I don’t want to bite you. Photo credit: Travelbag Ltd
Science Wire | Apr 21, 2015

What’s the real deal with shark attacks?

Sharks are incredibly unlikely to bite you. They’re even less likely to kill you. However, we remain fascinated with their ability – and occasional proclivity – to do just that.

The smell of rain.  Photo is a video still from Jon Kasbe's wonderful short film Life Reflected.
Science Wire | Apr 18, 2015

What is the smell of rain?

The word for it is “petrichor.” It’s the name of an oil that’s released from Earth into the air before rain begins to fall.

What's in a name anyway?  Image credit: WIkimedia
Science Wire | Apr 13, 2015

Brontosaurus is back!

If you had to name a dinosaur, you might say Brontosaurus. But, since 1903, experts have said that Brontosaurus isn’t a separate species. Now Bronto is back!

Image via Shutterstock
Blogs | Apr 08, 2015

Game on! Teaching science with games

The average U.S. student has played roughly 10,000 hours of games by the end of high school – only a little less time than the hours spent in school.

Ice worm s can only survive at temperatures close to freezing. Image credit: Rutgers University
Science Wire | Apr 08, 2015

Bacteria key to ice worm survival

Living in ice is no easy feat, but ice worms make it work. Part of the secret to their survival on glaciers lies in a symbiosis between worm and bacteria.