(36) results in Blog

Jaguar on the prowel

December 21, 2012

Images of the Week: Tracking Jaguars with Hidden Cameras

This week at Visionlearning, we’re excited to launch our newest Scientific Research module: Tracking Endangered Jaguars with Sergio Avila.  Avila, a wildlife biologist working for the nonprofit conservation group Sky Island Alliance in Tucson, Arizona, has...

Map of Shipping Noise in Atlantic Ocean

December 14, 2012

Mapping Sound Waves in a Noisy Ocean

For most humans, sight is our dominant sense.  We use our eyes to monitor our surroundings,  get around, observe and connect with other people, find and prepare food, learn about the world, and much more.  Common...

Blue and white pills

November 29, 2012

Controversy in Science: Can We Trust the Data from Clinical Trials?

“Clinical trials are powerful tools; like all powerful tools, they must be used with care.” — From Sponsorship, Authorship, and Accountability, an editorial endorsed by The International Committee for Medical Journal Editors Clinical trials to test...

Lookdown fish x-ray

November 9, 2012

Image of the Week: How to Look Inside a Fish

Scientists use all sorts of visuals to study the natural world, including graphs, maps and photographs. But some of the most beautiful scientific visuals have to be the fish x-rays taken by Sandra Raredon and Lynne...

The modern Tacoma Narrows Bridge

November 7, 2012

Tragedies in Science: The Collapse of the Tacoma Narrows Bridge

When you think of iconic bridges of the world, the Tacoma Narrows Bridge, which spans a narrow strait in the Puget Sound south of Seattle, may not come to mind immediately.  But that bridge (today it’s...

The weight known as Le Grand K

October 12, 2012

Image of the Week: Le Grand K of the Metric System

In honor of National Metric Week (which wraps up tomorrow), our image of the week shows “Le Grand K,” a cylindrical weight that is the international standard barer for the kilogram.  Made of platinum and iridium...

Dr. Helen Rodriguez Trias

October 8, 2012

Five Inspiring Hispanic Scientists

The U.S. Census Bureau estimates that the Hispanic population in the U.S. will reach 132.8 million (or 30 percent of the total U.S. population) by the year 2050.   But Hispanic students (as well as other minorities)...

October 1, 2012

Vote! Help Us Rename One of Our Module Collections

We want your input!  Help us rename our collection of modules that includes profiles of scientists at work and case studies of intriguing experiments and discoveries. They include modules like “Studying Climate Change with Kevin Arrigo”...

September 27, 2012

Video of the Week: A Tribute to Rachel Carson and Silent Spring

Over increasingly large areas of the United States spring now comes unheralded by the return of birds, and the early mornings are strangely silent where once they were filled with the beauty of bird song.  —...

An artist's concept of NASA's Mars Climate Orbiter

September 21, 2012

Tragedies in Science: The Crash of the Mars Climate Orbiter

In science, as in the rest of life, things don’t always go as planned. From time to time, accidents, mistakes, and tragedies happen. In the worst cases, these experiences result in serious losses or even catastrophes...