(113) results in Blog

Color electron microscope image

December 28, 2016

2016 Year in Science

As 2016 comes to a close, here’s a selection of six significant science stories (by no means a complete list) for the year: Gravitational Waves Detected Arguably the biggest science story of the year is the announcement...

November 18, 2016

From Our Archives: Nov. 18, 1929 – The Day the Cables Broke

Written in 2013 by Julia Rosen, this post explores what happened on November 18, 1929 when the underwater telegraph cables snapped. Today, a veritable superhighway of data rushes below the surface of the frigid North Atlantic....

Muir and Roosevelt

November 10, 2016

Image of the Week: Roosevelt and Muir at Yosemite

In this image from the United States Library of Congress, Theodore Roosevelt (left) and nature preservationist John Muir (right), founder of the Sierra Club, stand atop Glacier Point in Yosemite National Park. In the background are...

Grizzly bear

October 27, 2016

Video of the Week: Not So Drowsy Grizzly

John J. Craighead, who, along with his twin brother Frank, was an early environmental advocate, passed away in September 2016. The Craighead brothers worked tirelessly to highlight the conditions of the nation’s natural areas. In fact, their...

October 18, 2016

9th Imagine Science Film Festival

In a world where movies about scientific theory are as popular as those about aliens and sharks, the Imagine Science Films is bridging the divide between art and science via film. Well, maybe these films aren’t as...

Krummholz tree

September 29, 2016

Image of the Week: Krummholz Tree Growth

If you’ve ever hiked up a mountain to the tree line or explored the subarctic regions of the world, you’ve likely seen trees with serious deformations. Some trees are stunted, gnarled masses of branches close to...

August 1, 2016

Thirst may have doomed the last mammoths on a tiny Alaskan island

Woolly mammoths flourished during the last ice age, when they tromped across North America and Eurasia grazing on tundra plants. These massive animals disappeared from both continents between 14,000 and 13,200 years age, unable to withstand...

Visionlearning logo

July 4, 2016

New Visionlearning Design Launched

We’re excited to announce the launch of a redesigned Visionlearning site. It has a fresh look, but with the same excellent content for teaching and learning science. One new feature you’ll see on the site are...

June 20, 2016

Natural corridors may help species adapt to climate change

Imagine you’re sitting around a fire and someone throws on another log. It bursts into flames and soon, your seat gets too hot for your liking. What do you do? You move, right? That’s exactly what...

May 16, 2016

New Insights into Earth’s Ancient Atmosphere

Although it’s hard to imagine, Earth didn’t always have the oxygen-rich atmosphere we breathe today. In fact, until about two and a half billion years ago, the air contained almost no oxygen gas at all. You...