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Birds categorize colors just like humans do

For a small, reddish-beaked bird called the zebra finch, sexiness is color-coded. Males have beaks that range from light orange to dark red. But...

Mapping mountaintop coal mining’s yearly spread in Appalachia

The coal industry may have declined in the last decade because of the rise of cheap natural gas, but a coal mining method called...

Self-Healing Engineered Muscle Grown in the Laboratory

Biomedical engineers have grown living skeletal muscle that looks a lot like the real thing. It contracts powerfully and rapidly, integrates into mice quickly,...

Weaker Gut Instinct Makes Teens Open to Risky Behavior

Making a snap decision usually means following your initial reaction -- going with your gut. That intuitive feeling sprouts from the limbic system, the...

Simple changes to homework improved student learning

Modifying homework procedures improved outcomes without altering curriculum A new study offers evidence that simple and inexpensive changes to existing courses can help students learn...

Acoustic Cloaking Device Hides Objects from Sound

Using little more than a few perforated sheets of plastic and a staggering amount of number crunching, Duke engineers have demonstrated the world’s first...

New Biological Scaffold Home, Sweet Home, for Stem Cells

Our cells don’t live in a vacuum. They are surrounded by a complex, nurturing matrix that is essential for many biological functions, including growth...

Adjusting GPAs: A Statistician’s Effort to Tackle Grade Inflation

Nearly two decades ago, Texas A&M University statistician Valen E. Johnson found himself in the trenches of one of the most contentious fights in higher education:...

Lemur lovers sync their scents

The strength of a lemur couple's bond is reflected in the similarity of their scents The strength of a lemur couple's bond is reflected by...

‘Superlens’ Extends Range of Wireless Power Transfer

Inventor Nikola Tesla imagined the technology to transmit energy through thin air almost a century ago, but experimental attempts at the feat have so...

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